28813420

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1531}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 60612048

約数和(自身を除く): 31798628

約数列:

[1, 2, 4, 5, 10, 20, 941, 1531, 1882, 3062, 3764, 4705, 6124, 7655, 9410, 15310, 18820, 30620, 1440671, 2881342, 5762684, 7203355, 14406710, 28813420]

約数ペア:

[(1, 28813420), (2, 14406710), (4, 7203355), (5, 5762684), (10, 2881342), (20, 1440671), (941, 30620), (1531, 18820), (1882, 15310), (3062, 9410), (3764, 7655), (4705, 6124)]