53121080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13691}}^1$

素因数の和:13799

約数の個数: 32

約数和(自身を含む): 120763440

約数和(自身を除く): 67642360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 13691, 27382, 54764, 68455, 109528, 136910, 273820, 547640, 1328027, 2656054, 5312108, 6640135, 10624216, 13280270, 26560540, 53121080]

約数ペア:

[(1, 53121080), (2, 26560540), (4, 13280270), (5, 10624216), (8, 6640135), (10, 5312108), (20, 2656054), (40, 1328027), (97, 547640), (194, 273820), (388, 136910), (485, 109528), (776, 68455), (970, 54764), (1940, 27382), (3880, 13691)]