28446280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15131}}^1$

素因数の和:15189

約数の個数: 32

約数和(自身を含む): 65370240

約数和(自身を除く): 36923960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 605240, 711157, 1422314, 2844628, 3555785, 5689256, 7111570, 14223140, 28446280]

約数ペア:

[(1, 28446280), (2, 14223140), (4, 7111570), (5, 5689256), (8, 3555785), (10, 2844628), (20, 1422314), (40, 711157), (47, 605240), (94, 302620), (188, 151310), (235, 121048), (376, 75655), (470, 60524), (940, 30262), (1880, 15131)]