51988580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 127443456

約数和(自身を除く): 75454876

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, 6580, 7901, 15802, 31604, 39505, 55307, 79010, 110614, 158020, 221228, 276535, 371347, 553070, 742694, 1106140, 1485388, 1856735, 2599429, 3713470, 5198858, 7426940, 10397716, 12997145, 25994290, 51988580]

約数ペア:

[(1, 51988580), (2, 25994290), (4, 12997145), (5, 10397716), (7, 7426940), (10, 5198858), (14, 3713470), (20, 2599429), (28, 1856735), (35, 1485388), (47, 1106140), (70, 742694), (94, 553070), (140, 371347), (188, 276535), (235, 221228), (329, 158020), (470, 110614), (658, 79010), (940, 55307), (1316, 39505), (1645, 31604), (3290, 15802), (6580, 7901)]