65016080

素因数分解:

$2^4\times 5^1\times {\mathrm{812701}}^1$

素因数の和:812714

約数の個数: 20

約数和(自身を含む): 151162572

約数和(自身を除く): 86146492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 812701, 1625402, 3250804, 4063505, 6501608, 8127010, 13003216, 16254020, 32508040, 65016080]

約数ペア:

[(1, 65016080), (2, 32508040), (4, 16254020), (5, 13003216), (8, 8127010), (10, 6501608), (16, 4063505), (20, 3250804), (40, 1625402), (80, 812701)]