90480920

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{12637}}^1$

素因数の和:12827

約数の個数: 32

約数和(自身を含む): 204735600

約数和(自身を除く): 114254680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 12637, 25274, 50548, 63185, 101096, 126370, 252740, 505480, 2262023, 4524046, 9048092, 11310115, 18096184, 22620230, 45240460, 90480920]

約数ペア:

[(1, 90480920), (2, 45240460), (4, 22620230), (5, 18096184), (8, 11310115), (10, 9048092), (20, 4524046), (40, 2262023), (179, 505480), (358, 252740), (716, 126370), (895, 101096), (1432, 63185), (1790, 50548), (3580, 25274), (7160, 12637)]