68432180

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{4219}}^1$

素因数の和:5039

約数の個数: 24

約数和(自身を含む): 143918880

約数和(自身を除く): 75486700

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 4219, 8110, 8438, 16220, 16876, 21095, 42190, 84380, 3421609, 6843218, 13686436, 17108045, 34216090, 68432180]

約数ペア:

[(1, 68432180), (2, 34216090), (4, 17108045), (5, 13686436), (10, 6843218), (20, 3421609), (811, 84380), (1622, 42190), (3244, 21095), (4055, 16876), (4219, 16220), (8110, 8438)]