67891280

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1049}}^1$

素因数の和:1871

約数の個数: 40

約数和(自身を含む): 158193000

約数和(自身を除く): 90301720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1049, 1618, 2098, 3236, 4045, 4196, 5245, 6472, 8090, 8392, 10490, 12944, 16180, 16784, 20980, 32360, 41960, 64720, 83920, 848641, 1697282, 3394564, 4243205, 6789128, 8486410, 13578256, 16972820, 33945640, 67891280]

約数ペア:

[(1, 67891280), (2, 33945640), (4, 16972820), (5, 13578256), (8, 8486410), (10, 6789128), (16, 4243205), (20, 3394564), (40, 1697282), (80, 848641), (809, 83920), (1049, 64720), (1618, 41960), (2098, 32360), (3236, 20980), (4045, 16784), (4196, 16180), (5245, 12944), (6472, 10490), (8090, 8392)]