8020360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4663}}^1$

素因数の和:4717

約数の個数: 32

約数和(自身を含む): 18469440

約数和(自身を除く): 10449080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4663, 9326, 18652, 23315, 37304, 46630, 93260, 186520, 200509, 401018, 802036, 1002545, 1604072, 2005090, 4010180, 8020360]

約数ペア:

[(1, 8020360), (2, 4010180), (4, 2005090), (5, 1604072), (8, 1002545), (10, 802036), (20, 401018), (40, 200509), (43, 186520), (86, 93260), (172, 46630), (215, 37304), (344, 23315), (430, 18652), (860, 9326), (1720, 4663)]