4478440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 10183680

約数和(自身を除く): 5705240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1087, 2060, 2174, 4120, 4348, 5435, 8696, 10870, 21740, 43480, 111961, 223922, 447844, 559805, 895688, 1119610, 2239220, 4478440]

約数ペア:

[(1, 4478440), (2, 2239220), (4, 1119610), (5, 895688), (8, 559805), (10, 447844), (20, 223922), (40, 111961), (103, 43480), (206, 21740), (412, 10870), (515, 8696), (824, 5435), (1030, 4348), (1087, 4120), (2060, 2174)]