4040060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 8594880

約数和(自身を除く): 4554820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2557, 5114, 10228, 12785, 25570, 51140, 202003, 404006, 808012, 1010015, 2020030, 4040060]

約数ペア:

[(1, 4040060), (2, 2020030), (4, 1010015), (5, 808012), (10, 404006), (20, 202003), (79, 51140), (158, 25570), (316, 12785), (395, 10228), (790, 5114), (1580, 2557)]