129534140

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{3407}}^1$

素因数の和:5317

約数の個数: 24

約数和(自身を含む): 272244672

約数和(自身を除く): 142710532

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3407, 3802, 6814, 7604, 9505, 13628, 17035, 19010, 34070, 38020, 68140, 6476707, 12953414, 25906828, 32383535, 64767070, 129534140]

約数ペア:

[(1, 129534140), (2, 64767070), (4, 32383535), (5, 25906828), (10, 12953414), (20, 6476707), (1901, 68140), (3407, 38020), (3802, 34070), (6814, 19010), (7604, 17035), (9505, 13628)]