3971480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 9147600

約数和(自身を除く): 5176120

約数列:

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

約数ペア:

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