9221720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5623}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 21258720

約数和(自身を除く): 12037000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5623, 11246, 22492, 28115, 44984, 56230, 112460, 224920, 230543, 461086, 922172, 1152715, 1844344, 2305430, 4610860, 9221720]

約数ペア:

[(1, 9221720), (2, 4610860), (4, 2305430), (5, 1844344), (8, 1152715), (10, 922172), (20, 461086), (40, 230543), (41, 224920), (82, 112460), (164, 56230), (205, 44984), (328, 28115), (410, 22492), (820, 11246), (1640, 5623)]