40872140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43481}}^1$

素因数の和:43537

約数の個数: 24

約数和(自身を含む): 87659712

約数和(自身を除く): 46787572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 43481, 86962, 173924, 217405, 434810, 869620, 2043607, 4087214, 8174428, 10218035, 20436070, 40872140]

約数ペア:

[(1, 40872140), (2, 20436070), (4, 10218035), (5, 8174428), (10, 4087214), (20, 2043607), (47, 869620), (94, 434810), (188, 217405), (235, 173924), (470, 86962), (940, 43481)]