55510280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198251}}^1$

素因数の和:198269

約数の個数: 32

約数和(自身を含む): 142741440

約数和(自身を除く): 87231160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198251, 396502, 793004, 991255, 1387757, 1586008, 1982510, 2775514, 3965020, 5551028, 6938785, 7930040, 11102056, 13877570, 27755140, 55510280]

約数ペア:

[(1, 55510280), (2, 27755140), (4, 13877570), (5, 11102056), (7, 7930040), (8, 6938785), (10, 5551028), (14, 3965020), (20, 2775514), (28, 1982510), (35, 1586008), (40, 1387757), (56, 991255), (70, 793004), (140, 396502), (280, 198251)]