29905625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 20

約数和(自身を含む): 38050320

約数和(自身を除く): 8144695

約数列:

[1, 5, 25, 59, 125, 295, 625, 811, 1475, 4055, 7375, 20275, 36875, 47849, 101375, 239245, 506875, 1196225, 5981125, 29905625]

約数ペア:

[(1, 29905625), (5, 5981125), (25, 1196225), (59, 506875), (125, 239245), (295, 101375), (625, 47849), (811, 36875), (1475, 20275), (4055, 7375)]