7231640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13907}}^1$

素因数の和:13931

約数の個数: 32

約数和(自身を含む): 17524080

約数和(自身を除く): 10292440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13907, 27814, 55628, 69535, 111256, 139070, 180791, 278140, 361582, 556280, 723164, 903955, 1446328, 1807910, 3615820, 7231640]

約数ペア:

[(1, 7231640), (2, 3615820), (4, 1807910), (5, 1446328), (8, 903955), (10, 723164), (13, 556280), (20, 361582), (26, 278140), (40, 180791), (52, 139070), (65, 111256), (104, 69535), (130, 55628), (260, 27814), (520, 13907)]