27680140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18959}}^1$

素因数の和:19041

約数の個数: 24

約数和(自身を含む): 58927680

約数和(自身を除く): 31247540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 18959, 37918, 75836, 94795, 189590, 379180, 1384007, 2768014, 5536028, 6920035, 13840070, 27680140]

約数ペア:

[(1, 27680140), (2, 13840070), (4, 6920035), (5, 5536028), (10, 2768014), (20, 1384007), (73, 379180), (146, 189590), (292, 94795), (365, 75836), (730, 37918), (1460, 18959)]