87702980

素因数分解:

$2^2\times 5^1\times {\mathrm{4385149}}^1$

素因数の和:4385158

約数の個数: 12

約数和(自身を含む): 184176300

約数和(自身を除く): 96473320

約数列:

[1, 2, 4, 5, 10, 20, 4385149, 8770298, 17540596, 21925745, 43851490, 87702980]

約数ペア:

[(1, 87702980), (2, 43851490), (4, 21925745), (5, 17540596), (10, 8770298), (20, 4385149)]