25200625

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 20

約数和(自身を含む): 32055364

約数和(自身を除く): 6854739

約数列:

[1, 5, 25, 61, 125, 305, 625, 661, 1525, 3305, 7625, 16525, 38125, 40321, 82625, 201605, 413125, 1008025, 5040125, 25200625]

約数ペア:

[(1, 25200625), (5, 5040125), (25, 1008025), (61, 413125), (125, 201605), (305, 82625), (625, 40321), (661, 38125), (1525, 16525), (3305, 7625)]