15730040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5387}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 35884080

約数和(自身を除く): 20154040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5387, 10774, 21548, 26935, 43096, 53870, 107740, 215480, 393251, 786502, 1573004, 1966255, 3146008, 3932510, 7865020, 15730040]

約数ペア:

[(1, 15730040), (2, 7865020), (4, 3932510), (5, 3146008), (8, 1966255), (10, 1573004), (20, 786502), (40, 393251), (73, 215480), (146, 107740), (292, 53870), (365, 43096), (584, 26935), (730, 21548), (1460, 10774), (2920, 5387)]