28875890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70429}}^1$

素因数の和:70477

約数の個数: 16

約数和(自身を含む): 53245080

約数和(自身を除く): 24369190

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70429, 140858, 352145, 704290, 2887589, 5775178, 14437945, 28875890]

約数ペア:

[(1, 28875890), (2, 14437945), (5, 5775178), (10, 2887589), (41, 704290), (82, 352145), (205, 140858), (410, 70429)]