2008200625

素因数分解:

$5^4\times {\mathrm{661}}^1\times {\mathrm{4861}}^1$

素因数の和:5542

約数の個数: 20

約数和(自身を含む): 2513760964

約数和(自身を除く): 505560339

約数列:

[1, 5, 25, 125, 625, 661, 3305, 4861, 16525, 24305, 82625, 121525, 413125, 607625, 3038125, 3213121, 16065605, 80328025, 401640125, 2008200625]

約数ペア:

[(1, 2008200625), (5, 401640125), (25, 80328025), (125, 16065605), (625, 3213121), (661, 3038125), (3305, 607625), (4861, 413125), (16525, 121525), (24305, 82625)]