131864080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53171}}^1$

素因数の和:53215

約数の個数: 40

約数和(自身を含む): 316479744

約数和(自身を除く): 184615664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 53171, 106342, 212684, 265855, 425368, 531710, 850736, 1063420, 1648301, 2126840, 3296602, 4253680, 6593204, 8241505, 13186408, 16483010, 26372816, 32966020, 65932040, 131864080]

約数ペア:

[(1, 131864080), (2, 65932040), (4, 32966020), (5, 26372816), (8, 16483010), (10, 13186408), (16, 8241505), (20, 6593204), (31, 4253680), (40, 3296602), (62, 2126840), (80, 1648301), (124, 1063420), (155, 850736), (248, 531710), (310, 425368), (496, 265855), (620, 212684), (1240, 106342), (2480, 53171)]