25259920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 43485680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1049, 1204, 1505, 1720, 2098, 2408, 3010, 3440, 4196, 4816, 5245, 6020, 7343, 8392, 10490, 12040, 14686, 16784, 20980, 24080, 29372, 36715, 41960, 45107, 58744, 73430, 83920, 90214, 117488, 146860, 180428, 225535, 293720, 315749, 360856, 451070, 587440, 631498, 721712, 902140, 1262996, 1578745, 1804280, 2525992, 3157490, 3608560, 5051984, 6314980, 12629960, 25259920]

約数ペア:

[(1, 25259920), (2, 12629960), (4, 6314980), (5, 5051984), (7, 3608560), (8, 3157490), (10, 2525992), (14, 1804280), (16, 1578745), (20, 1262996), (28, 902140), (35, 721712), (40, 631498), (43, 587440), (56, 451070), (70, 360856), (80, 315749), (86, 293720), (112, 225535), (140, 180428), (172, 146860), (215, 117488), (280, 90214), (301, 83920), (344, 73430), (430, 58744), (560, 45107), (602, 41960), (688, 36715), (860, 29372), (1049, 24080), (1204, 20980), (1505, 16784), (1720, 14686), (2098, 12040), (2408, 10490), (3010, 8392), (3440, 7343), (4196, 6020), (4816, 5245)]