1880862020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{1823}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 4008130560

約数和(自身を除く): 2127268540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 653, 790, 1306, 1580, 1823, 2612, 3265, 3646, 6530, 7292, 9115, 13060, 18230, 36460, 51587, 103174, 144017, 206348, 257935, 288034, 515870, 576068, 720085, 1031740, 1190419, 1440170, 2380838, 2880340, 4761676, 5952095, 11904190, 23808380, 94043101, 188086202, 376172404, 470215505, 940431010, 1880862020]

約数ペア:

[(1, 1880862020), (2, 940431010), (4, 470215505), (5, 376172404), (10, 188086202), (20, 94043101), (79, 23808380), (158, 11904190), (316, 5952095), (395, 4761676), (653, 2880340), (790, 2380838), (1306, 1440170), (1580, 1190419), (1823, 1031740), (2612, 720085), (3265, 576068), (3646, 515870), (6530, 288034), (7292, 257935), (9115, 206348), (13060, 144017), (18230, 103174), (36460, 51587)]