8290840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10909}}^1$

素因数の和:10939

約数の個数: 32

約数和(自身を含む): 19638000

約数和(自身を除く): 11347160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10909, 21818, 43636, 54545, 87272, 109090, 207271, 218180, 414542, 436360, 829084, 1036355, 1658168, 2072710, 4145420, 8290840]

約数ペア:

[(1, 8290840), (2, 4145420), (4, 2072710), (5, 1658168), (8, 1036355), (10, 829084), (19, 436360), (20, 414542), (38, 218180), (40, 207271), (76, 109090), (95, 87272), (152, 54545), (190, 43636), (380, 21818), (760, 10909)]