22140880

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2687}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 51996672

約数和(自身を除く): 29855792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2687, 4120, 5374, 8240, 10748, 13435, 21496, 26870, 42992, 53740, 107480, 214960, 276761, 553522, 1107044, 1383805, 2214088, 2767610, 4428176, 5535220, 11070440, 22140880]

約数ペア:

[(1, 22140880), (2, 11070440), (4, 5535220), (5, 4428176), (8, 2767610), (10, 2214088), (16, 1383805), (20, 1107044), (40, 553522), (80, 276761), (103, 214960), (206, 107480), (412, 53740), (515, 42992), (824, 26870), (1030, 21496), (1648, 13435), (2060, 10748), (2687, 8240), (4120, 5374)]