9945160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 22591800

約数和(自身を除く): 12646640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2281, 4360, 4562, 9124, 11405, 18248, 22810, 45620, 91240, 248629, 497258, 994516, 1243145, 1989032, 2486290, 4972580, 9945160]

約数ペア:

[(1, 9945160), (2, 4972580), (4, 2486290), (5, 1989032), (8, 1243145), (10, 994516), (20, 497258), (40, 248629), (109, 91240), (218, 45620), (436, 22810), (545, 18248), (872, 11405), (1090, 9124), (2180, 4562), (2281, 4360)]