890604640

素因数分解:

$2^5\times 5^1\times {\mathrm{373}}^1\times {\mathrm{14923}}^1$

素因数の和:15311

約数の個数: 48

約数和(自身を含む): 2109835728

約数和(自身を除く): 1219231088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 373, 746, 1492, 1865, 2984, 3730, 5968, 7460, 11936, 14920, 14923, 29840, 29846, 59680, 59692, 74615, 119384, 149230, 238768, 298460, 477536, 596920, 1193840, 2387680, 5566279, 11132558, 22265116, 27831395, 44530232, 55662790, 89060464, 111325580, 178120928, 222651160, 445302320, 890604640]

約数ペア:

[(1, 890604640), (2, 445302320), (4, 222651160), (5, 178120928), (8, 111325580), (10, 89060464), (16, 55662790), (20, 44530232), (32, 27831395), (40, 22265116), (80, 11132558), (160, 5566279), (373, 2387680), (746, 1193840), (1492, 596920), (1865, 477536), (2984, 298460), (3730, 238768), (5968, 149230), (7460, 119384), (11936, 74615), (14920, 59692), (14923, 59680), (29840, 29846)]