7942960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 18905040

約数和(自身を除く): 10962080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2309, 3440, 4618, 9236, 11545, 18472, 23090, 36944, 46180, 92360, 99287, 184720, 198574, 397148, 496435, 794296, 992870, 1588592, 1985740, 3971480, 7942960]

約数ペア:

[(1, 7942960), (2, 3971480), (4, 1985740), (5, 1588592), (8, 992870), (10, 794296), (16, 496435), (20, 397148), (40, 198574), (43, 184720), (80, 99287), (86, 92360), (172, 46180), (215, 36944), (344, 23090), (430, 18472), (688, 11545), (860, 9236), (1720, 4618), (2309, 3440)]