71297060

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4019}}^1$

素因数の和:4915

約数の個数: 24

約数和(自身を含む): 149929920

約数和(自身を除く): 78632860

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4019, 4435, 8038, 8870, 16076, 17740, 20095, 40190, 80380, 3564853, 7129706, 14259412, 17824265, 35648530, 71297060]

約数ペア:

[(1, 71297060), (2, 35648530), (4, 17824265), (5, 14259412), (10, 7129706), (20, 3564853), (887, 80380), (1774, 40190), (3548, 20095), (4019, 17740), (4435, 16076), (8038, 8870)]