9655220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 21141120

約数和(自身を除く): 11485900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 109, 172, 206, 215, 218, 412, 430, 436, 515, 545, 860, 1030, 1090, 2060, 2180, 4429, 4687, 8858, 9374, 11227, 17716, 18748, 22145, 22454, 23435, 44290, 44908, 46870, 56135, 88580, 93740, 112270, 224540, 482761, 965522, 1931044, 2413805, 4827610, 9655220]

約数ペア:

[(1, 9655220), (2, 4827610), (4, 2413805), (5, 1931044), (10, 965522), (20, 482761), (43, 224540), (86, 112270), (103, 93740), (109, 88580), (172, 56135), (206, 46870), (215, 44908), (218, 44290), (412, 23435), (430, 22454), (436, 22145), (515, 18748), (545, 17716), (860, 11227), (1030, 9374), (1090, 8858), (2060, 4687), (2180, 4429)]