54021520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13781}}^1$

素因数の和:13808

約数の個数: 60

約数和(自身を含む): 146116764

約数和(自身を除く): 92095244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13781, 27562, 55124, 68905, 96467, 110248, 137810, 192934, 220496, 275620, 385868, 482335, 551240, 675269, 771736, 964670, 1102480, 1350538, 1543472, 1929340, 2701076, 3376345, 3858680, 5402152, 6752690, 7717360, 10804304, 13505380, 27010760, 54021520]

約数ペア:

[(1, 54021520), (2, 27010760), (4, 13505380), (5, 10804304), (7, 7717360), (8, 6752690), (10, 5402152), (14, 3858680), (16, 3376345), (20, 2701076), (28, 1929340), (35, 1543472), (40, 1350538), (49, 1102480), (56, 964670), (70, 771736), (80, 675269), (98, 551240), (112, 482335), (140, 385868), (196, 275620), (245, 220496), (280, 192934), (392, 137810), (490, 110248), (560, 96467), (784, 68905), (980, 55124), (1960, 27562), (3920, 13781)]