201516680

素因数分解:

$2^3\times 5^1\times {\mathrm{5037917}}^1$

素因数の和:5037928

約数の個数: 16

約数和(自身を含む): 453412620

約数和(自身を除く): 251895940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037917, 10075834, 20151668, 25189585, 40303336, 50379170, 100758340, 201516680]

約数ペア:

[(1, 201516680), (2, 100758340), (4, 50379170), (5, 40303336), (8, 25189585), (10, 20151668), (20, 10075834), (40, 5037917)]