61365140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{13759}}^1$

素因数の和:13991

約数の個数: 24

約数和(自身を含む): 129454080

約数和(自身を除く): 68088940

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 13759, 27518, 55036, 68795, 137590, 275180, 3068257, 6136514, 12273028, 15341285, 30682570, 61365140]

約数ペア:

[(1, 61365140), (2, 30682570), (4, 15341285), (5, 12273028), (10, 6136514), (20, 3068257), (223, 275180), (446, 137590), (892, 68795), (1115, 55036), (2230, 27518), (4460, 13759)]