67191640

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2549}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 151470000

約数和(自身を除く): 84278360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2549, 2636, 3295, 5098, 5272, 6590, 10196, 12745, 13180, 20392, 25490, 26360, 50980, 101960, 1679791, 3359582, 6719164, 8398955, 13438328, 16797910, 33595820, 67191640]

約数ペア:

[(1, 67191640), (2, 33595820), (4, 16797910), (5, 13438328), (8, 8398955), (10, 6719164), (20, 3359582), (40, 1679791), (659, 101960), (1318, 50980), (2549, 26360), (2636, 25490), (3295, 20392), (5098, 13180), (5272, 12745), (6590, 10196)]