19550840

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{859}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 44118000

約数和(自身を除く): 24567160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 859, 1138, 1718, 2276, 2845, 3436, 4295, 4552, 5690, 6872, 8590, 11380, 17180, 22760, 34360, 488771, 977542, 1955084, 2443855, 3910168, 4887710, 9775420, 19550840]

約数ペア:

[(1, 19550840), (2, 9775420), (4, 4887710), (5, 3910168), (8, 2443855), (10, 1955084), (20, 977542), (40, 488771), (569, 34360), (859, 22760), (1138, 17180), (1718, 11380), (2276, 8590), (2845, 6872), (3436, 5690), (4295, 4552)]