28568125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1126

約数の個数: 20

約数和(自身を含む): 36563296

約数和(自身を除く): 7995171

約数列:

[1, 5, 25, 43, 125, 215, 625, 1063, 1075, 5315, 5375, 26575, 26875, 45709, 132875, 228545, 664375, 1142725, 5713625, 28568125]

約数ペア:

[(1, 28568125), (5, 5713625), (25, 1142725), (43, 664375), (125, 228545), (215, 132875), (625, 45709), (1063, 26875), (1075, 26575), (5315, 5375)]