42591280

素因数分解:

$2^4\times 5^1\times {\mathrm{532391}}^1$

素因数の和:532404

約数の個数: 20

約数和(自身を含む): 99024912

約数和(自身を除く): 56433632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 532391, 1064782, 2129564, 2661955, 4259128, 5323910, 8518256, 10647820, 21295640, 42591280]

約数ペア:

[(1, 42591280), (2, 21295640), (4, 10647820), (5, 8518256), (8, 5323910), (10, 4259128), (16, 2661955), (20, 2129564), (40, 1064782), (80, 532391)]