1630707940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{642011}}^1$

素因数の和:642147

約数の個数: 24

約数和(自身を含む): 3451456512

約数和(自身を除く): 1820748572

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 642011, 1284022, 2568044, 3210055, 6420110, 12840220, 81535397, 163070794, 326141588, 407676985, 815353970, 1630707940]

約数ペア:

[(1, 1630707940), (2, 815353970), (4, 407676985), (5, 326141588), (10, 163070794), (20, 81535397), (127, 12840220), (254, 6420110), (508, 3210055), (635, 2568044), (1270, 1284022), (2540, 642011)]