90151825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 115289496

約数和(自身を除く): 25137671

約数列:

[1, 5, 25, 41, 205, 281, 313, 1025, 1405, 1565, 7025, 7825, 11521, 12833, 57605, 64165, 87953, 288025, 320825, 439765, 2198825, 3606073, 18030365, 90151825]

約数ペア:

[(1, 90151825), (5, 18030365), (25, 3606073), (41, 2198825), (205, 439765), (281, 320825), (313, 288025), (1025, 87953), (1405, 64165), (1565, 57605), (7025, 12833), (7825, 11521)]