8124440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2011}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 18470160

約数和(自身を除く): 10345720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2011, 2020, 4022, 4040, 8044, 10055, 16088, 20110, 40220, 80440, 203111, 406222, 812444, 1015555, 1624888, 2031110, 4062220, 8124440]

約数ペア:

[(1, 8124440), (2, 4062220), (4, 2031110), (5, 1624888), (8, 1015555), (10, 812444), (20, 406222), (40, 203111), (101, 80440), (202, 40220), (404, 20110), (505, 16088), (808, 10055), (1010, 8044), (2011, 4040), (2020, 4022)]