42104660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12457}}^1$

素因数の和:12492

約数の個数: 36

約数和(自身を含む): 95752188

約数和(自身を除く): 53647528

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12457, 24914, 49828, 62285, 124570, 161941, 249140, 323882, 647764, 809705, 1619410, 2105233, 3238820, 4210466, 8420932, 10526165, 21052330, 42104660]

約数ペア:

[(1, 42104660), (2, 21052330), (4, 10526165), (5, 8420932), (10, 4210466), (13, 3238820), (20, 2105233), (26, 1619410), (52, 809705), (65, 647764), (130, 323882), (169, 249140), (260, 161941), (338, 124570), (676, 62285), (845, 49828), (1690, 24914), (3380, 12457)]