16004375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:932

約数の個数: 20

約数和(自身を含む): 20712120

約数和(自身を除く): 4707745

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 883, 3625, 4415, 18125, 22075, 25607, 110375, 128035, 551875, 640175, 3200875, 16004375]

約数ペア:

[(1, 16004375), (5, 3200875), (25, 640175), (29, 551875), (125, 128035), (145, 110375), (625, 25607), (725, 22075), (883, 18125), (3625, 4415)]