28363640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4759}}^1$

素因数の和:4919

約数の個数: 32

約数和(自身を含む): 64260000

約数和(自身を除く): 35896360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4759, 5960, 9518, 19036, 23795, 38072, 47590, 95180, 190360, 709091, 1418182, 2836364, 3545455, 5672728, 7090910, 14181820, 28363640]

約数ペア:

[(1, 28363640), (2, 14181820), (4, 7090910), (5, 5672728), (8, 3545455), (10, 2836364), (20, 1418182), (40, 709091), (149, 190360), (298, 95180), (596, 47590), (745, 38072), (1192, 23795), (1490, 19036), (2980, 9518), (4759, 5960)]