84700520

素因数分解:

$2^3\times 5^1\times {\mathrm{2117513}}^1$

素因数の和:2117524

約数の個数: 16

約数和(自身を含む): 190576260

約数和(自身を除く): 105875740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2117513, 4235026, 8470052, 10587565, 16940104, 21175130, 42350260, 84700520]

約数ペア:

[(1, 84700520), (2, 42350260), (4, 21175130), (5, 16940104), (8, 10587565), (10, 8470052), (20, 4235026), (40, 2117513)]