11781320

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{941}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 26620920

約数和(自身を除く): 14839600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 941, 1252, 1565, 1882, 2504, 3130, 3764, 4705, 6260, 7528, 9410, 12520, 18820, 37640, 294533, 589066, 1178132, 1472665, 2356264, 2945330, 5890660, 11781320]

約数ペア:

[(1, 11781320), (2, 5890660), (4, 2945330), (5, 2356264), (8, 1472665), (10, 1178132), (20, 589066), (40, 294533), (313, 37640), (626, 18820), (941, 12520), (1252, 9410), (1565, 7528), (1882, 6260), (2504, 4705), (3130, 3764)]