66455440

素因数分解:

$2^4\times 5^1\times {\mathrm{830693}}^1$

素因数の和:830706

約数の個数: 20

約数和(自身を含む): 154509084

約数和(自身を除く): 88053644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830693, 1661386, 3322772, 4153465, 6645544, 8306930, 13291088, 16613860, 33227720, 66455440]

約数ペア:

[(1, 66455440), (2, 33227720), (4, 16613860), (5, 13291088), (8, 8306930), (10, 6645544), (16, 4153465), (20, 3322772), (40, 1661386), (80, 830693)]