66417880

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1933}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 149691600

約数和(自身を除く): 83273720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 1933, 3436, 3866, 4295, 6872, 7732, 8590, 9665, 15464, 17180, 19330, 34360, 38660, 77320, 1660447, 3320894, 6641788, 8302235, 13283576, 16604470, 33208940, 66417880]

約数ペア:

[(1, 66417880), (2, 33208940), (4, 16604470), (5, 13283576), (8, 8302235), (10, 6641788), (20, 3320894), (40, 1660447), (859, 77320), (1718, 38660), (1933, 34360), (3436, 19330), (3866, 17180), (4295, 15464), (6872, 9665), (7732, 8590)]