80004594160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1239

約数の個数: 160

約数和(自身を含む): 194173286400

約数和(自身を除く): 114168692240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 229, 248, 310, 358, 458, 496, 620, 716, 787, 895, 916, 1145, 1240, 1432, 1574, 1790, 1832, 2290, 2480, 2864, 3148, 3580, 3664, 3935, 4580, 5549, 6296, 7099, 7160, 7870, 9160, 11098, 12592, 14198, 14320, 15740, 18320, 22196, 24397, 27745, 28396, 31480, 35495, 40991, 44392, 48794, 55490, 56792, 62960, 70990, 81982, 88784, 97588, 110980, 113584, 121985, 140873, 141980, 163964, 180223, 195176, 204955, 221960, 243970, 281746, 283960, 327928, 360446, 390352, 409910, 443920, 487940, 563492, 567920, 655856, 704365, 720892, 819820, 901115, 975880, 1126984, 1270721, 1408730, 1441784, 1639640, 1802230, 1951760, 2253968, 2541442, 2817460, 2883568, 3279280, 3604460, 4367063, 5082884, 5586913, 5634920, 6353605, 7208920, 8734126, 10165768, 11173826, 11269840, 12707210, 14417840, 17468252, 20331536, 21835315, 22347652, 25414420, 27934565, 32259917, 34936504, 43670630, 44695304, 50828840, 55869130, 64519834, 69873008, 87341260, 89390608, 101657680, 111738260, 129039668, 161299585, 174682520, 223476520, 258079336, 322599170, 349365040, 446953040, 516158672, 645198340, 1000057427, 1290396680, 2000114854, 2580793360, 4000229708, 5000287135, 8000459416, 10000574270, 16000918832, 20001148540, 40002297080, 80004594160]

約数ペア:

[(1, 80004594160), (2, 40002297080), (4, 20001148540), (5, 16000918832), (8, 10000574270), (10, 8000459416), (16, 5000287135), (20, 4000229708), (31, 2580793360), (40, 2000114854), (62, 1290396680), (80, 1000057427), (124, 645198340), (155, 516158672), (179, 446953040), (229, 349365040), (248, 322599170), (310, 258079336), (358, 223476520), (458, 174682520), (496, 161299585), (620, 129039668), (716, 111738260), (787, 101657680), (895, 89390608), (916, 87341260), (1145, 69873008), (1240, 64519834), (1432, 55869130), (1574, 50828840), (1790, 44695304), (1832, 43670630), (2290, 34936504), (2480, 32259917), (2864, 27934565), (3148, 25414420), (3580, 22347652), (3664, 21835315), (3935, 20331536), (4580, 17468252), (5549, 14417840), (6296, 12707210), (7099, 11269840), (7160, 11173826), (7870, 10165768), (9160, 8734126), (11098, 7208920), (12592, 6353605), (14198, 5634920), (14320, 5586913), (15740, 5082884), (18320, 4367063), (22196, 3604460), (24397, 3279280), (27745, 2883568), (28396, 2817460), (31480, 2541442), (35495, 2253968), (40991, 1951760), (44392, 1802230), (48794, 1639640), (55490, 1441784), (56792, 1408730), (62960, 1270721), (70990, 1126984), (81982, 975880), (88784, 901115), (97588, 819820), (110980, 720892), (113584, 704365), (121985, 655856), (140873, 567920), (141980, 563492), (163964, 487940), (180223, 443920), (195176, 409910), (204955, 390352), (221960, 360446), (243970, 327928), (281746, 283960)]