82485640

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2549}}^1$

素因数の和:3369

約数の個数: 32

約数和(自身を含む): 185895000

約数和(自身を除く): 103409360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2549, 3236, 4045, 5098, 6472, 8090, 10196, 12745, 16180, 20392, 25490, 32360, 50980, 101960, 2062141, 4124282, 8248564, 10310705, 16497128, 20621410, 41242820, 82485640]

約数ペア:

[(1, 82485640), (2, 41242820), (4, 20621410), (5, 16497128), (8, 10310705), (10, 8248564), (20, 4124282), (40, 2062141), (809, 101960), (1618, 50980), (2549, 32360), (3236, 25490), (4045, 20392), (5098, 16180), (6472, 12745), (8090, 10196)]