55728980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{18701}}^1$

素因数の和:18859

約数の個数: 24

約数和(自身を含む): 117822600

約数和(自身を除く): 62093620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 18701, 37402, 74804, 93505, 187010, 374020, 2786449, 5572898, 11145796, 13932245, 27864490, 55728980]

約数ペア:

[(1, 55728980), (2, 27864490), (4, 13932245), (5, 11145796), (10, 5572898), (20, 2786449), (149, 374020), (298, 187010), (596, 93505), (745, 74804), (1490, 37402), (2980, 18701)]