81595760

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21701}}^1$

素因数の和:21761

約数の個数: 40

約数和(自身を含む): 193755456

約数和(自身を除く): 112159696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21701, 43402, 86804, 108505, 173608, 217010, 347216, 434020, 868040, 1019947, 1736080, 2039894, 4079788, 5099735, 8159576, 10199470, 16319152, 20398940, 40797880, 81595760]

約数ペア:

[(1, 81595760), (2, 40797880), (4, 20398940), (5, 16319152), (8, 10199470), (10, 8159576), (16, 5099735), (20, 4079788), (40, 2039894), (47, 1736080), (80, 1019947), (94, 868040), (188, 434020), (235, 347216), (376, 217010), (470, 173608), (752, 108505), (940, 86804), (1880, 43402), (3760, 21701)]