63549980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244423}}^1$

素因数の和:244445

約数の個数: 24

約数和(自身を含む): 143721312

約数和(自身を除く): 80171332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 244423, 488846, 977692, 1222115, 2444230, 3177499, 4888460, 6354998, 12709996, 15887495, 31774990, 63549980]

約数ペア:

[(1, 63549980), (2, 31774990), (4, 15887495), (5, 12709996), (10, 6354998), (13, 4888460), (20, 3177499), (26, 2444230), (52, 1222115), (65, 977692), (130, 488846), (260, 244423)]