2875420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 6098400

約数和(自身を除く): 3222980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1319, 2180, 2638, 5276, 6595, 13190, 26380, 143771, 287542, 575084, 718855, 1437710, 2875420]

約数ペア:

[(1, 2875420), (2, 1437710), (4, 718855), (5, 575084), (10, 287542), (20, 143771), (109, 26380), (218, 13190), (436, 6595), (545, 5276), (1090, 2638), (1319, 2180)]