206822920

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{4049}}^1$

素因数の和:5337

約数の個数: 32

約数和(自身を含む): 465831000

約数和(自身を除く): 259008080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 4049, 5108, 6385, 8098, 10216, 12770, 16196, 20245, 25540, 32392, 40490, 51080, 80980, 161960, 5170573, 10341146, 20682292, 25852865, 41364584, 51705730, 103411460, 206822920]

約数ペア:

[(1, 206822920), (2, 103411460), (4, 51705730), (5, 41364584), (8, 25852865), (10, 20682292), (20, 10341146), (40, 5170573), (1277, 161960), (2554, 80980), (4049, 51080), (5108, 40490), (6385, 32392), (8098, 25540), (10216, 20245), (12770, 16196)]