55641320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198719}}^1$

素因数の和:198737

約数の個数: 32

約数和(自身を含む): 143078400

約数和(自身を除く): 87437080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198719, 397438, 794876, 993595, 1391033, 1589752, 1987190, 2782066, 3974380, 5564132, 6955165, 7948760, 11128264, 13910330, 27820660, 55641320]

約数ペア:

[(1, 55641320), (2, 27820660), (4, 13910330), (5, 11128264), (7, 7948760), (8, 6955165), (10, 5564132), (14, 3974380), (20, 2782066), (28, 1987190), (35, 1589752), (40, 1391033), (56, 993595), (70, 794876), (140, 397438), (280, 198719)]