16221280

素因数分解:

$2^5\times 5^1\times {\mathrm{101383}}^1$

素因数の和:101398

約数の個数: 24

約数和(自身を含む): 38323152

約数和(自身を除く): 22101872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 101383, 202766, 405532, 506915, 811064, 1013830, 1622128, 2027660, 3244256, 4055320, 8110640, 16221280]

約数ペア:

[(1, 16221280), (2, 8110640), (4, 4055320), (5, 3244256), (8, 2027660), (10, 1622128), (16, 1013830), (20, 811064), (32, 506915), (40, 405532), (80, 202766), (160, 101383)]