54450280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7127}}^1$

素因数の和:7329

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 68721560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7127, 7640, 14254, 28508, 35635, 57016, 71270, 142540, 285080, 1361257, 2722514, 5445028, 6806285, 10890056, 13612570, 27225140, 54450280]

約数ペア:

[(1, 54450280), (2, 27225140), (4, 13612570), (5, 10890056), (8, 6806285), (10, 5445028), (20, 2722514), (40, 1361257), (191, 285080), (382, 142540), (764, 71270), (955, 57016), (1528, 35635), (1910, 28508), (3820, 14254), (7127, 7640)]