25752580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6343}}^1$

素因数の和:6388

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 38194940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6343, 12686, 25372, 31715, 44401, 63430, 88802, 126860, 177604, 183947, 222005, 367894, 444010, 735788, 888020, 919735, 1287629, 1839470, 2575258, 3678940, 5150516, 6438145, 12876290, 25752580]

約数ペア:

[(1, 25752580), (2, 12876290), (4, 6438145), (5, 5150516), (7, 3678940), (10, 2575258), (14, 1839470), (20, 1287629), (28, 919735), (29, 888020), (35, 735788), (58, 444010), (70, 367894), (116, 222005), (140, 183947), (145, 177604), (203, 126860), (290, 88802), (406, 63430), (580, 44401), (812, 31715), (1015, 25372), (2030, 12686), (4060, 6343)]