2050625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 20

約数和(自身を含む): 2727252

約数和(自身を除く): 676627

約数列:

[1, 5, 17, 25, 85, 125, 193, 425, 625, 965, 2125, 3281, 4825, 10625, 16405, 24125, 82025, 120625, 410125, 2050625]

約数ペア:

[(1, 2050625), (5, 410125), (17, 120625), (25, 82025), (85, 24125), (125, 16405), (193, 10625), (425, 4825), (625, 3281), (965, 2125)]