26881220

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1319}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 56548800

約数和(自身を除く): 29667580

約数列:

[1, 2, 4, 5, 10, 20, 1019, 1319, 2038, 2638, 4076, 5095, 5276, 6595, 10190, 13190, 20380, 26380, 1344061, 2688122, 5376244, 6720305, 13440610, 26881220]

約数ペア:

[(1, 26881220), (2, 13440610), (4, 6720305), (5, 5376244), (10, 2688122), (20, 1344061), (1019, 26380), (1319, 20380), (2038, 13190), (2638, 10190), (4076, 6595), (5095, 5276)]