86511290

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{20549}}^1$

素因数の和:20977

約数の個数: 16

約数和(自身を含む): 156097800

約数和(自身を除く): 69586510

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 20549, 41098, 102745, 205490, 8651129, 17302258, 43255645, 86511290]

約数ペア:

[(1, 86511290), (2, 43255645), (5, 17302258), (10, 8651129), (421, 205490), (842, 102745), (2105, 41098), (4210, 20549)]