8104040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 21116160

約数和(自身を除く): 13012120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 281, 412, 515, 562, 721, 824, 1030, 1124, 1405, 1442, 1967, 2060, 2248, 2810, 2884, 3605, 3934, 4120, 5620, 5768, 7210, 7868, 9835, 11240, 14420, 15736, 19670, 28840, 28943, 39340, 57886, 78680, 115772, 144715, 202601, 231544, 289430, 405202, 578860, 810404, 1013005, 1157720, 1620808, 2026010, 4052020, 8104040]

約数ペア:

[(1, 8104040), (2, 4052020), (4, 2026010), (5, 1620808), (7, 1157720), (8, 1013005), (10, 810404), (14, 578860), (20, 405202), (28, 289430), (35, 231544), (40, 202601), (56, 144715), (70, 115772), (103, 78680), (140, 57886), (206, 39340), (280, 28943), (281, 28840), (412, 19670), (515, 15736), (562, 14420), (721, 11240), (824, 9835), (1030, 7868), (1124, 7210), (1405, 5768), (1442, 5620), (1967, 4120), (2060, 3934), (2248, 3605), (2810, 2884)]