84987080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124981}}^1$

素因数の和:125009

約数の個数: 32

約数和(自身を含む): 202470840

約数和(自身を除く): 117483760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 124981, 249962, 499924, 624905, 999848, 1249810, 2124677, 2499620, 4249354, 4999240, 8498708, 10623385, 16997416, 21246770, 42493540, 84987080]

約数ペア:

[(1, 84987080), (2, 42493540), (4, 21246770), (5, 16997416), (8, 10623385), (10, 8498708), (17, 4999240), (20, 4249354), (34, 2499620), (40, 2124677), (68, 1249810), (85, 999848), (136, 624905), (170, 499924), (340, 249962), (680, 124981)]