13889360

素因数分解:

$2^4\times 5^1\times {\mathrm{173617}}^1$

素因数の和:173630

約数の個数: 20

約数和(自身を含む): 32292948

約数和(自身を除く): 18403588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173617, 347234, 694468, 868085, 1388936, 1736170, 2777872, 3472340, 6944680, 13889360]

約数ペア:

[(1, 13889360), (2, 6944680), (4, 3472340), (5, 2777872), (8, 1736170), (10, 1388936), (16, 868085), (20, 694468), (40, 347234), (80, 173617)]