31530820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16253}}^1$

素因数の和:16359

約数の個数: 24

約数和(自身を含む): 66901464

約数和(自身を除く): 35370644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16253, 32506, 65012, 81265, 162530, 325060, 1576541, 3153082, 6306164, 7882705, 15765410, 31530820]

約数ペア:

[(1, 31530820), (2, 15765410), (4, 7882705), (5, 6306164), (10, 3153082), (20, 1576541), (97, 325060), (194, 162530), (388, 81265), (485, 65012), (970, 32506), (1940, 16253)]