51248680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1777}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 133136640

約数和(自身を除く): 81887960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 1777, 2060, 2884, 3554, 3605, 4120, 5768, 7108, 7210, 8885, 12439, 14216, 14420, 17770, 24878, 28840, 35540, 49756, 62195, 71080, 99512, 124390, 183031, 248780, 366062, 497560, 732124, 915155, 1281217, 1464248, 1830310, 2562434, 3660620, 5124868, 6406085, 7321240, 10249736, 12812170, 25624340, 51248680]

約数ペア:

[(1, 51248680), (2, 25624340), (4, 12812170), (5, 10249736), (7, 7321240), (8, 6406085), (10, 5124868), (14, 3660620), (20, 2562434), (28, 1830310), (35, 1464248), (40, 1281217), (56, 915155), (70, 732124), (103, 497560), (140, 366062), (206, 248780), (280, 183031), (412, 124390), (515, 99512), (721, 71080), (824, 62195), (1030, 49756), (1442, 35540), (1777, 28840), (2060, 24878), (2884, 17770), (3554, 14420), (3605, 14216), (4120, 12439), (5768, 8885), (7108, 7210)]