89966180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21319}}^1$

素因数の和:21539

約数の個数: 24

約数和(自身を含む): 189833280

約数和(自身を除く): 99867100

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21319, 42638, 85276, 106595, 213190, 426380, 4498309, 8996618, 17993236, 22491545, 44983090, 89966180]

約数ペア:

[(1, 89966180), (2, 44983090), (4, 22491545), (5, 17993236), (10, 8996618), (20, 4498309), (211, 426380), (422, 213190), (844, 106595), (1055, 85276), (2110, 42638), (4220, 21319)]