8942328880

素因数分解:

$2^4\times 5^1\times {\mathrm{111779111}}^1$

素因数の和:111779124

約数の個数: 20

約数和(自身を含む): 20790914832

約数和(自身を除く): 11848585952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111779111, 223558222, 447116444, 558895555, 894232888, 1117791110, 1788465776, 2235582220, 4471164440, 8942328880]

約数ペア:

[(1, 8942328880), (2, 4471164440), (4, 2235582220), (5, 1788465776), (8, 1117791110), (10, 894232888), (16, 558895555), (20, 447116444), (40, 223558222), (80, 111779111)]