55941940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20123}}^1$

素因数の和:20271

約数の個数: 24

約数和(自身を含む): 118329120

約数和(自身を除く): 62387180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 20123, 40246, 80492, 100615, 201230, 402460, 2797097, 5594194, 11188388, 13985485, 27970970, 55941940]

約数ペア:

[(1, 55941940), (2, 27970970), (4, 13985485), (5, 11188388), (10, 5594194), (20, 2797097), (139, 402460), (278, 201230), (556, 100615), (695, 80492), (1390, 40246), (2780, 20123)]