87171010

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{22409}}^1$

素因数の和:22805

約数の個数: 16

約数和(自身を含む): 157318200

約数和(自身を除く): 70147190

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 22409, 44818, 112045, 224090, 8717101, 17434202, 43585505, 87171010]

約数ペア:

[(1, 87171010), (2, 43585505), (5, 17434202), (10, 8717101), (389, 224090), (778, 112045), (1945, 44818), (3890, 22409)]