266945011660

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{8006749}}^1$

素因数の和:8008425

約数の個数: 24

約数和(自身を含む): 560920878000

約数和(自身を除く): 293975866340

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6668, 8335, 16670, 33340, 8006749, 16013498, 32026996, 40033745, 80067490, 160134980, 13347250583, 26694501166, 53389002332, 66736252915, 133472505830, 266945011660]

約数ペア:

[(1, 266945011660), (2, 133472505830), (4, 66736252915), (5, 53389002332), (10, 26694501166), (20, 13347250583), (1667, 160134980), (3334, 80067490), (6668, 40033745), (8335, 32026996), (16670, 16013498), (33340, 8006749)]