87925825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 128116800

約数和(自身を除く): 40190975

約数列:

[1, 5, 13, 19, 25, 29, 65, 95, 145, 247, 325, 377, 475, 491, 551, 725, 1235, 1885, 2455, 2755, 6175, 6383, 7163, 9329, 9425, 12275, 13775, 14239, 31915, 35815, 46645, 71195, 121277, 159575, 179075, 185107, 233225, 270541, 355975, 606385, 925535, 1352705, 3031925, 3517033, 4627675, 6763525, 17585165, 87925825]

約数ペア:

[(1, 87925825), (5, 17585165), (13, 6763525), (19, 4627675), (25, 3517033), (29, 3031925), (65, 1352705), (95, 925535), (145, 606385), (247, 355975), (325, 270541), (377, 233225), (475, 185107), (491, 179075), (551, 159575), (725, 121277), (1235, 71195), (1885, 46645), (2455, 35815), (2755, 31915), (6175, 14239), (6383, 13775), (7163, 12275), (9329, 9425)]