31571800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12172

約数の個数: 48

約数和(自身を含む): 79057440

約数和(自身を除く): 47485640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 12143, 24286, 48572, 60715, 97144, 121430, 157859, 242860, 303575, 315718, 485720, 607150, 631436, 789295, 1214300, 1262872, 1578590, 2428600, 3157180, 3946475, 6314360, 7892950, 15785900, 31571800]

約数ペア:

[(1, 31571800), (2, 15785900), (4, 7892950), (5, 6314360), (8, 3946475), (10, 3157180), (13, 2428600), (20, 1578590), (25, 1262872), (26, 1214300), (40, 789295), (50, 631436), (52, 607150), (65, 485720), (100, 315718), (104, 303575), (130, 242860), (200, 157859), (260, 121430), (325, 97144), (520, 60715), (650, 48572), (1300, 24286), (2600, 12143)]