123351920

素因数分解:

$2^4\times 5^1\times {\mathrm{1541899}}^1$

素因数の和:1541912

約数の個数: 20

約数和(自身を含む): 286793400

約数和(自身を除く): 163441480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1541899, 3083798, 6167596, 7709495, 12335192, 15418990, 24670384, 30837980, 61675960, 123351920]

約数ペア:

[(1, 123351920), (2, 61675960), (4, 30837980), (5, 24670384), (8, 15418990), (10, 12335192), (16, 7709495), (20, 6167596), (40, 3083798), (80, 1541899)]