90570020

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{3169}}^1$

素因数の和:4607

約数の個数: 24

約数和(自身を含む): 190390200

約数和(自身を除く): 99820180

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 3169, 5716, 6338, 7145, 12676, 14290, 15845, 28580, 31690, 63380, 4528501, 9057002, 18114004, 22642505, 45285010, 90570020]

約数ペア:

[(1, 90570020), (2, 45285010), (4, 22642505), (5, 18114004), (10, 9057002), (20, 4528501), (1429, 63380), (2858, 31690), (3169, 28580), (5716, 15845), (6338, 14290), (7145, 12676)]