25375625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{3691}}^1$

素因数の和:3722

約数の個数: 20

約数和(自身を含む): 34601424

約数和(自身を除く): 9225799

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 3691, 6875, 18455, 40601, 92275, 203005, 461375, 1015025, 2306875, 5075125, 25375625]

約数ペア:

[(1, 25375625), (5, 5075125), (11, 2306875), (25, 1015025), (55, 461375), (125, 203005), (275, 92275), (625, 40601), (1375, 18455), (3691, 6875)]