164497880

素因数分解:

$2^3\times 5^1\times {\mathrm{4112447}}^1$

素因数の和:4112458

約数の個数: 16

約数和(自身を含む): 370120320

約数和(自身を除く): 205622440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4112447, 8224894, 16449788, 20562235, 32899576, 41124470, 82248940, 164497880]

約数ペア:

[(1, 164497880), (2, 82248940), (4, 41124470), (5, 32899576), (8, 20562235), (10, 16449788), (20, 8224894), (40, 4112447)]