90696080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36571}}^1$

素因数の和:36615

約数の個数: 40

約数和(自身を含む): 217676544

約数和(自身を除く): 126980464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36571, 73142, 146284, 182855, 292568, 365710, 585136, 731420, 1133701, 1462840, 2267402, 2925680, 4534804, 5668505, 9069608, 11337010, 18139216, 22674020, 45348040, 90696080]

約数ペア:

[(1, 90696080), (2, 45348040), (4, 22674020), (5, 18139216), (8, 11337010), (10, 9069608), (16, 5668505), (20, 4534804), (31, 2925680), (40, 2267402), (62, 1462840), (80, 1133701), (124, 731420), (155, 585136), (248, 365710), (310, 292568), (496, 182855), (620, 146284), (1240, 73142), (2480, 36571)]