27970970

素因数分解:

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

素因数の和:20269

約数の個数: 16

約数和(自身を含む): 50712480

約数和(自身を除く): 22741510

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20123, 40246, 100615, 201230, 2797097, 5594194, 13985485, 27970970]

約数ペア:

[(1, 27970970), (2, 13985485), (5, 5594194), (10, 2797097), (139, 201230), (278, 100615), (695, 40246), (1390, 20123)]