40587680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 115831296

約数和(自身を除く): 75243616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 167, 196, 217, 224, 245, 248, 280, 310, 334, 392, 434, 490, 496, 560, 620, 668, 784, 835, 868, 980, 992, 1085, 1120, 1169, 1240, 1336, 1519, 1568, 1670, 1736, 1960, 2170, 2338, 2480, 2672, 3038, 3340, 3472, 3920, 4340, 4676, 4960, 5177, 5344, 5845, 6076, 6680, 6944, 7595, 7840, 8183, 8680, 9352, 10354, 11690, 12152, 13360, 15190, 16366, 17360, 18704, 20708, 23380, 24304, 25885, 26720, 30380, 32732, 34720, 36239, 37408, 40915, 41416, 46760, 48608, 51770, 60760, 65464, 72478, 81830, 82832, 93520, 103540, 121520, 130928, 144956, 163660, 165664, 181195, 187040, 207080, 243040, 253673, 261856, 289912, 327320, 362390, 414160, 507346, 579824, 654640, 724780, 828320, 1014692, 1159648, 1268365, 1309280, 1449560, 2029384, 2536730, 2899120, 4058768, 5073460, 5798240, 8117536, 10146920, 20293840, 40587680]

約数ペア:

[(1, 40587680), (2, 20293840), (4, 10146920), (5, 8117536), (7, 5798240), (8, 5073460), (10, 4058768), (14, 2899120), (16, 2536730), (20, 2029384), (28, 1449560), (31, 1309280), (32, 1268365), (35, 1159648), (40, 1014692), (49, 828320), (56, 724780), (62, 654640), (70, 579824), (80, 507346), (98, 414160), (112, 362390), (124, 327320), (140, 289912), (155, 261856), (160, 253673), (167, 243040), (196, 207080), (217, 187040), (224, 181195), (245, 165664), (248, 163660), (280, 144956), (310, 130928), (334, 121520), (392, 103540), (434, 93520), (490, 82832), (496, 81830), (560, 72478), (620, 65464), (668, 60760), (784, 51770), (835, 48608), (868, 46760), (980, 41416), (992, 40915), (1085, 37408), (1120, 36239), (1169, 34720), (1240, 32732), (1336, 30380), (1519, 26720), (1568, 25885), (1670, 24304), (1736, 23380), (1960, 20708), (2170, 18704), (2338, 17360), (2480, 16366), (2672, 15190), (3038, 13360), (3340, 12152), (3472, 11690), (3920, 10354), (4340, 9352), (4676, 8680), (4960, 8183), (5177, 7840), (5344, 7595), (5845, 6944), (6076, 6680)]