57446420

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4481}}^1$

素因数の和:5131

約数の個数: 24

約数和(自身を含む): 120852648

約数和(自身を除く): 63406228

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 4481, 6410, 8962, 12820, 17924, 22405, 44810, 89620, 2872321, 5744642, 11489284, 14361605, 28723210, 57446420]

約数ペア:

[(1, 57446420), (2, 28723210), (4, 14361605), (5, 11489284), (10, 5744642), (20, 2872321), (641, 89620), (1282, 44810), (2564, 22405), (3205, 17924), (4481, 12820), (6410, 8962)]