72571775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 96124800

約数和(自身を除く): 23553025

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 3229, 4495, 16145, 22475, 80725, 93641, 100099, 468205, 500495, 2341025, 2502475, 2902871, 14514355, 72571775]

約数ペア:

[(1, 72571775), (5, 14514355), (25, 2902871), (29, 2502475), (31, 2341025), (145, 500495), (155, 468205), (725, 100099), (775, 93641), (899, 80725), (3229, 22475), (4495, 16145)]