4915664080

素因数分解:

$2^4\times 5^1\times {\mathrm{61445801}}^1$

素因数の和:61445814

約数の個数: 20

約数和(自身を含む): 11428919172

約数和(自身を除く): 6513255092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61445801, 122891602, 245783204, 307229005, 491566408, 614458010, 983132816, 1228916020, 2457832040, 4915664080]

約数ペア:

[(1, 4915664080), (2, 2457832040), (4, 1228916020), (5, 983132816), (8, 614458010), (10, 491566408), (16, 307229005), (20, 245783204), (40, 122891602), (80, 61445801)]