4043720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 9313920

約数和(自身を除く): 5270200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2351, 4702, 9404, 11755, 18808, 23510, 47020, 94040, 101093, 202186, 404372, 505465, 808744, 1010930, 2021860, 4043720]

約数ペア:

[(1, 4043720), (2, 2021860), (4, 1010930), (5, 808744), (8, 505465), (10, 404372), (20, 202186), (40, 101093), (43, 94040), (86, 47020), (172, 23510), (215, 18808), (344, 11755), (430, 9404), (860, 4702), (1720, 2351)]