8228440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18701}}^1$

素因数の和:18723

約数の個数: 32

約数和(自身を含む): 20198160

約数和(自身を除く): 11969720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18701, 37402, 74804, 93505, 149608, 187010, 205711, 374020, 411422, 748040, 822844, 1028555, 1645688, 2057110, 4114220, 8228440]

約数ペア:

[(1, 8228440), (2, 4114220), (4, 2057110), (5, 1645688), (8, 1028555), (10, 822844), (11, 748040), (20, 411422), (22, 374020), (40, 205711), (44, 187010), (55, 149608), (88, 93505), (110, 74804), (220, 37402), (440, 18701)]