20260100

素因数分解:

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

素因数の和:405

約数の個数: 72

約数和(自身を含む): 50913408

約数和(自身を除く): 30653308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 281, 350, 412, 515, 562, 700, 721, 1030, 1124, 1405, 1442, 1967, 2060, 2575, 2810, 2884, 3605, 3934, 5150, 5620, 7025, 7210, 7868, 9835, 10300, 14050, 14420, 18025, 19670, 28100, 28943, 36050, 39340, 49175, 57886, 72100, 98350, 115772, 144715, 196700, 202601, 289430, 405202, 578860, 723575, 810404, 1013005, 1447150, 2026010, 2894300, 4052020, 5065025, 10130050, 20260100]

約数ペア:

[(1, 20260100), (2, 10130050), (4, 5065025), (5, 4052020), (7, 2894300), (10, 2026010), (14, 1447150), (20, 1013005), (25, 810404), (28, 723575), (35, 578860), (50, 405202), (70, 289430), (100, 202601), (103, 196700), (140, 144715), (175, 115772), (206, 98350), (281, 72100), (350, 57886), (412, 49175), (515, 39340), (562, 36050), (700, 28943), (721, 28100), (1030, 19670), (1124, 18025), (1405, 14420), (1442, 14050), (1967, 10300), (2060, 9835), (2575, 7868), (2810, 7210), (2884, 7025), (3605, 5620), (3934, 5150)]