125001640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{30941}}^1$

素因数の和:31053

約数の個数: 32

約数和(自身を含む): 284047560

約数和(自身を除く): 159045920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 30941, 61882, 123764, 154705, 247528, 309410, 618820, 1237640, 3125041, 6250082, 12500164, 15625205, 25000328, 31250410, 62500820, 125001640]

約数ペア:

[(1, 125001640), (2, 62500820), (4, 31250410), (5, 25000328), (8, 15625205), (10, 12500164), (20, 6250082), (40, 3125041), (101, 1237640), (202, 618820), (404, 309410), (505, 247528), (808, 154705), (1010, 123764), (2020, 61882), (4040, 30941)]