81254375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{4483}}^1$

素因数の和:4532

約数の個数: 20

約数和(自身を含む): 105060120

約数和(自身を除く): 23805745

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 3625, 4483, 18125, 22415, 112075, 130007, 560375, 650035, 2801875, 3250175, 16250875, 81254375]

約数ペア:

[(1, 81254375), (5, 16250875), (25, 3250175), (29, 2801875), (125, 650035), (145, 560375), (625, 130007), (725, 112075), (3625, 22415), (4483, 18125)]