12947360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4259}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 32205600

約数和(自身を除く): 19258240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4259, 8518, 17036, 21295, 34072, 42590, 68144, 80921, 85180, 136288, 161842, 170360, 323684, 340720, 404605, 647368, 681440, 809210, 1294736, 1618420, 2589472, 3236840, 6473680, 12947360]

約数ペア:

[(1, 12947360), (2, 6473680), (4, 3236840), (5, 2589472), (8, 1618420), (10, 1294736), (16, 809210), (19, 681440), (20, 647368), (32, 404605), (38, 340720), (40, 323684), (76, 170360), (80, 161842), (95, 136288), (152, 85180), (160, 80921), (190, 68144), (304, 42590), (380, 34072), (608, 21295), (760, 17036), (1520, 8518), (3040, 4259)]