23118520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13441}}^1$

素因数の和:13495

約数の個数: 32

約数和(自身を含む): 53230320

約数和(自身を除く): 30111800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13441, 26882, 53764, 67205, 107528, 134410, 268820, 537640, 577963, 1155926, 2311852, 2889815, 4623704, 5779630, 11559260, 23118520]

約数ペア:

[(1, 23118520), (2, 11559260), (4, 5779630), (5, 4623704), (8, 2889815), (10, 2311852), (20, 1155926), (40, 577963), (43, 537640), (86, 268820), (172, 134410), (215, 107528), (344, 67205), (430, 53764), (860, 26882), (1720, 13441)]