38499620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 83825280

約数和(自身を除く): 45325660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 503, 860, 890, 1006, 1780, 2012, 2515, 3827, 5030, 7654, 10060, 15308, 19135, 21629, 38270, 43258, 44767, 76540, 86516, 89534, 108145, 179068, 216290, 223835, 432580, 447670, 895340, 1924981, 3849962, 7699924, 9624905, 19249810, 38499620]

約数ペア:

[(1, 38499620), (2, 19249810), (4, 9624905), (5, 7699924), (10, 3849962), (20, 1924981), (43, 895340), (86, 447670), (89, 432580), (172, 223835), (178, 216290), (215, 179068), (356, 108145), (430, 89534), (445, 86516), (503, 76540), (860, 44767), (890, 43258), (1006, 38270), (1780, 21629), (2012, 19135), (2515, 15308), (3827, 10060), (5030, 7654)]