168688420

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{16127}}^1$

素因数の和:16659

約数の個数: 24

約数和(自身を含む): 354945024

約数和(自身を除く): 186256604

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 16127, 32254, 64508, 80635, 161270, 322540, 8434421, 16868842, 33737684, 42172105, 84344210, 168688420]

約数ペア:

[(1, 168688420), (2, 84344210), (4, 42172105), (5, 33737684), (10, 16868842), (20, 8434421), (523, 322540), (1046, 161270), (2092, 80635), (2615, 64508), (5230, 32254), (10460, 16127)]