25536980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3881}}^1$

素因数の和:3944

約数の個数: 48

約数和(自身を含む): 62608896

約数和(自身を除く): 37071916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 3881, 6580, 7762, 15524, 19405, 27167, 38810, 54334, 77620, 108668, 135835, 182407, 271670, 364814, 543340, 729628, 912035, 1276849, 1824070, 2553698, 3648140, 5107396, 6384245, 12768490, 25536980]

約数ペア:

[(1, 25536980), (2, 12768490), (4, 6384245), (5, 5107396), (7, 3648140), (10, 2553698), (14, 1824070), (20, 1276849), (28, 912035), (35, 729628), (47, 543340), (70, 364814), (94, 271670), (140, 182407), (188, 135835), (235, 108668), (329, 77620), (470, 54334), (658, 38810), (940, 27167), (1316, 19405), (1645, 15524), (3290, 7762), (3881, 6580)]