68492080

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1637}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 159646032

約数和(自身を除く): 91153952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1637, 2092, 2615, 3274, 4184, 5230, 6548, 8185, 8368, 10460, 13096, 16370, 20920, 26192, 32740, 41840, 65480, 130960, 856151, 1712302, 3424604, 4280755, 6849208, 8561510, 13698416, 17123020, 34246040, 68492080]

約数ペア:

[(1, 68492080), (2, 34246040), (4, 17123020), (5, 13698416), (8, 8561510), (10, 6849208), (16, 4280755), (20, 3424604), (40, 1712302), (80, 856151), (523, 130960), (1046, 65480), (1637, 41840), (2092, 32740), (2615, 26192), (3274, 20920), (4184, 16370), (5230, 13096), (6548, 10460), (8185, 8368)]