16525625

素因数分解:

$5^4\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 20

約数和(自身を含む): 20908932

約数和(自身を除く): 4383307

約数列:

[1, 5, 25, 125, 137, 193, 625, 685, 965, 3425, 4825, 17125, 24125, 26441, 85625, 120625, 132205, 661025, 3305125, 16525625]

約数ペア:

[(1, 16525625), (5, 3305125), (25, 661025), (125, 132205), (137, 120625), (193, 85625), (625, 26441), (685, 24125), (965, 17125), (3425, 4825)]