25690180

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1531}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 54048960

約数和(自身を除く): 28358780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1531, 1678, 3062, 3356, 4195, 6124, 7655, 8390, 15310, 16780, 30620, 1284509, 2569018, 5138036, 6422545, 12845090, 25690180]

約数ペア:

[(1, 25690180), (2, 12845090), (4, 6422545), (5, 5138036), (10, 2569018), (20, 1284509), (839, 30620), (1531, 16780), (1678, 15310), (3062, 8390), (3356, 7655), (4195, 6124)]