1523643920

素因数分解:

$2^4\times 5^1\times {\mathrm{19045549}}^1$

素因数の和:19045562

約数の個数: 20

約数和(自身を含む): 3542472300

約数和(自身を除く): 2018828380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19045549, 38091098, 76182196, 95227745, 152364392, 190455490, 304728784, 380910980, 761821960, 1523643920]

約数ペア:

[(1, 1523643920), (2, 761821960), (4, 380910980), (5, 304728784), (8, 190455490), (10, 152364392), (16, 95227745), (20, 76182196), (40, 38091098), (80, 19045549)]