40765580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25801}}^1$

素因数の和:25889

約数の個数: 24

約数和(自身を含む): 86694720

約数和(自身を除く): 45929140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25801, 51602, 103204, 129005, 258010, 516020, 2038279, 4076558, 8153116, 10191395, 20382790, 40765580]

約数ペア:

[(1, 40765580), (2, 20382790), (4, 10191395), (5, 8153116), (10, 4076558), (20, 2038279), (79, 516020), (158, 258010), (316, 129005), (395, 103204), (790, 51602), (1580, 25801)]