39607960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 110574720

約数和(自身を除く): 70966760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 157, 170, 212, 238, 265, 280, 314, 340, 371, 424, 476, 530, 595, 628, 680, 742, 785, 901, 952, 1060, 1099, 1190, 1256, 1484, 1570, 1802, 1855, 2120, 2198, 2380, 2669, 2968, 3140, 3604, 3710, 4396, 4505, 4760, 5338, 5495, 6280, 6307, 7208, 7420, 8321, 8792, 9010, 10676, 10990, 12614, 13345, 14840, 16642, 18020, 18683, 21352, 21980, 25228, 26690, 31535, 33284, 36040, 37366, 41605, 43960, 50456, 53380, 58247, 63070, 66568, 74732, 83210, 93415, 106760, 116494, 126140, 141457, 149464, 166420, 186830, 232988, 252280, 282914, 291235, 332840, 373660, 465976, 565828, 582470, 707285, 747320, 990199, 1131656, 1164940, 1414570, 1980398, 2329880, 2829140, 3960796, 4950995, 5658280, 7921592, 9901990, 19803980, 39607960]

約数ペア:

[(1, 39607960), (2, 19803980), (4, 9901990), (5, 7921592), (7, 5658280), (8, 4950995), (10, 3960796), (14, 2829140), (17, 2329880), (20, 1980398), (28, 1414570), (34, 1164940), (35, 1131656), (40, 990199), (53, 747320), (56, 707285), (68, 582470), (70, 565828), (85, 465976), (106, 373660), (119, 332840), (136, 291235), (140, 282914), (157, 252280), (170, 232988), (212, 186830), (238, 166420), (265, 149464), (280, 141457), (314, 126140), (340, 116494), (371, 106760), (424, 93415), (476, 83210), (530, 74732), (595, 66568), (628, 63070), (680, 58247), (742, 53380), (785, 50456), (901, 43960), (952, 41605), (1060, 37366), (1099, 36040), (1190, 33284), (1256, 31535), (1484, 26690), (1570, 25228), (1802, 21980), (1855, 21352), (2120, 18683), (2198, 18020), (2380, 16642), (2669, 14840), (2968, 13345), (3140, 12614), (3604, 10990), (3710, 10676), (4396, 9010), (4505, 8792), (4760, 8321), (5338, 7420), (5495, 7208), (6280, 6307)]