56457880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14551}}^1$

素因数の和:14659

約数の個数: 32

約数和(自身を含む): 128348640

約数和(自身を除く): 71890760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 14551, 29102, 58204, 72755, 116408, 145510, 291020, 582040, 1411447, 2822894, 5645788, 7057235, 11291576, 14114470, 28228940, 56457880]

約数ペア:

[(1, 56457880), (2, 28228940), (4, 14114470), (5, 11291576), (8, 7057235), (10, 5645788), (20, 2822894), (40, 1411447), (97, 582040), (194, 291020), (388, 145510), (485, 116408), (776, 72755), (970, 58204), (1940, 29102), (3880, 14551)]