138878825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 179155200

約数和(自身を除く): 40276375

約数列:

[1, 5, 25, 29, 145, 223, 725, 859, 1115, 4295, 5575, 6467, 21475, 24911, 32335, 124555, 161675, 191557, 622775, 957785, 4788925, 5555153, 27775765, 138878825]

約数ペア:

[(1, 138878825), (5, 27775765), (25, 5555153), (29, 4788925), (145, 957785), (223, 622775), (725, 191557), (859, 161675), (1115, 124555), (4295, 32335), (5575, 24911), (6467, 21475)]