42376940

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1489}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 89113920

約数和(自身を除く): 46736980

約数列:

[1, 2, 4, 5, 10, 20, 1423, 1489, 2846, 2978, 5692, 5956, 7115, 7445, 14230, 14890, 28460, 29780, 2118847, 4237694, 8475388, 10594235, 21188470, 42376940]

約数ペア:

[(1, 42376940), (2, 21188470), (4, 10594235), (5, 8475388), (10, 4237694), (20, 2118847), (1423, 29780), (1489, 28460), (2846, 14890), (2978, 14230), (5692, 7445), (5956, 7115)]