2040579620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{5147}}^1$

素因数の和:5660

約数の個数: 48

約数和(自身を含む): 4395238848

約数和(自身を除く): 2354659228

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 461, 860, 922, 1844, 2305, 4610, 5147, 9220, 10294, 19823, 20588, 25735, 39646, 51470, 79292, 99115, 102940, 198230, 221321, 396460, 442642, 885284, 1106605, 2213210, 2372767, 4426420, 4745534, 9491068, 11863835, 23727670, 47455340, 102028981, 204057962, 408115924, 510144905, 1020289810, 2040579620]

約数ペア:

[(1, 2040579620), (2, 1020289810), (4, 510144905), (5, 408115924), (10, 204057962), (20, 102028981), (43, 47455340), (86, 23727670), (172, 11863835), (215, 9491068), (430, 4745534), (461, 4426420), (860, 2372767), (922, 2213210), (1844, 1106605), (2305, 885284), (4610, 442642), (5147, 396460), (9220, 221321), (10294, 198230), (19823, 102940), (20588, 99115), (25735, 79292), (39646, 51470)]