87507080

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3467}}^1$

素因数の和:4109

約数の個数: 32

約数和(自身を含む): 197259840

約数和(自身を除く): 109752760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 3467, 5048, 6310, 6934, 12620, 13868, 17335, 25240, 27736, 34670, 69340, 138680, 2187677, 4375354, 8750708, 10938385, 17501416, 21876770, 43753540, 87507080]

約数ペア:

[(1, 87507080), (2, 43753540), (4, 21876770), (5, 17501416), (8, 10938385), (10, 8750708), (20, 4375354), (40, 2187677), (631, 138680), (1262, 69340), (2524, 34670), (3155, 27736), (3467, 25240), (5048, 17335), (6310, 13868), (6934, 12620)]