79651960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19333}}^1$

素因数の和:19447

約数の個数: 32

約数和(自身を含む): 180966240

約数和(自身を除く): 101314280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 19333, 38666, 77332, 96665, 154664, 193330, 386660, 773320, 1991299, 3982598, 7965196, 9956495, 15930392, 19912990, 39825980, 79651960]

約数ペア:

[(1, 79651960), (2, 39825980), (4, 19912990), (5, 15930392), (8, 9956495), (10, 7965196), (20, 3982598), (40, 1991299), (103, 773320), (206, 386660), (412, 193330), (515, 154664), (824, 96665), (1030, 77332), (2060, 38666), (4120, 19333)]