65116180

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{2011}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 136896480

約数和(自身を除く): 71780300

約数列:

[1, 2, 4, 5, 10, 20, 1619, 2011, 3238, 4022, 6476, 8044, 8095, 10055, 16190, 20110, 32380, 40220, 3255809, 6511618, 13023236, 16279045, 32558090, 65116180]

約数ペア:

[(1, 65116180), (2, 32558090), (4, 16279045), (5, 13023236), (10, 6511618), (20, 3255809), (1619, 40220), (2011, 32380), (3238, 20110), (4022, 16190), (6476, 10055), (8044, 8095)]