21825625

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 27891072

約数和(自身を除く): 6065447

約数列:

[1, 5, 25, 47, 125, 235, 625, 743, 1175, 3715, 5875, 18575, 29375, 34921, 92875, 174605, 464375, 873025, 4365125, 21825625]

約数ペア:

[(1, 21825625), (5, 4365125), (25, 873025), (47, 464375), (125, 174605), (235, 92875), (625, 34921), (743, 29375), (1175, 18575), (3715, 5875)]