4004375

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 20

約数和(自身を含む): 5154600

約数和(自身を除く): 1150225

約数列:

[1, 5, 25, 43, 125, 149, 215, 625, 745, 1075, 3725, 5375, 6407, 18625, 26875, 32035, 93125, 160175, 800875, 4004375]

約数ペア:

[(1, 4004375), (5, 800875), (25, 160175), (43, 93125), (125, 32035), (149, 26875), (215, 18625), (625, 6407), (745, 5375), (1075, 3725)]