67640075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{62921}}^1$

素因数の和:62974

約数の個数: 12

約数和(自身を含む): 85825608

約数和(自身を除く): 18185533

約数列:

[1, 5, 25, 43, 215, 1075, 62921, 314605, 1573025, 2705603, 13528015, 67640075]

約数ペア:

[(1, 67640075), (5, 13528015), (25, 2705603), (43, 1573025), (215, 314605), (1075, 62921)]