51516140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198139}}^1$

素因数の和:198161

約数の個数: 24

約数和(自身を含む): 116506320

約数和(自身を除く): 64990180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198139, 396278, 792556, 990695, 1981390, 2575807, 3962780, 5151614, 10303228, 12879035, 25758070, 51516140]

約数ペア:

[(1, 51516140), (2, 25758070), (4, 12879035), (5, 10303228), (10, 5151614), (13, 3962780), (20, 2575807), (26, 1981390), (52, 990695), (65, 792556), (130, 396278), (260, 198139)]