4239020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 8958768

約数和(自身を除く): 4719748

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1171, 1810, 2342, 3620, 4684, 5855, 11710, 23420, 211951, 423902, 847804, 1059755, 2119510, 4239020]

約数ペア:

[(1, 4239020), (2, 2119510), (4, 1059755), (5, 847804), (10, 423902), (20, 211951), (181, 23420), (362, 11710), (724, 5855), (905, 4684), (1171, 3620), (1810, 2342)]