25257440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12171

約数の個数: 48

約数和(自身を含む): 64266048

約数和(自身を除く): 39008608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12143, 24286, 48572, 60715, 97144, 121430, 157859, 194288, 242860, 315718, 388576, 485720, 631436, 789295, 971440, 1262872, 1578590, 1942880, 2525744, 3157180, 5051488, 6314360, 12628720, 25257440]

約数ペア:

[(1, 25257440), (2, 12628720), (4, 6314360), (5, 5051488), (8, 3157180), (10, 2525744), (13, 1942880), (16, 1578590), (20, 1262872), (26, 971440), (32, 789295), (40, 631436), (52, 485720), (65, 388576), (80, 315718), (104, 242860), (130, 194288), (160, 157859), (208, 121430), (260, 97144), (416, 60715), (520, 48572), (1040, 24286), (2080, 12143)]