55217960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197207}}^1$

素因数の和:197225

約数の個数: 32

約数和(自身を含む): 141989760

約数和(自身を除く): 86771800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197207, 394414, 788828, 986035, 1380449, 1577656, 1972070, 2760898, 3944140, 5521796, 6902245, 7888280, 11043592, 13804490, 27608980, 55217960]

約数ペア:

[(1, 55217960), (2, 27608980), (4, 13804490), (5, 11043592), (7, 7888280), (8, 6902245), (10, 5521796), (14, 3944140), (20, 2760898), (28, 1972070), (35, 1577656), (40, 1380449), (56, 986035), (70, 788828), (140, 394414), (280, 197207)]