30388640

素因数分解:

$2^5\times 5^1\times {\mathrm{189929}}^1$

素因数の和:189944

約数の個数: 24

約数和(自身を含む): 71793540

約数和(自身を除く): 41404900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 189929, 379858, 759716, 949645, 1519432, 1899290, 3038864, 3798580, 6077728, 7597160, 15194320, 30388640]

約数ペア:

[(1, 30388640), (2, 15194320), (4, 7597160), (5, 6077728), (8, 3798580), (10, 3038864), (16, 1899290), (20, 1519432), (32, 949645), (40, 759716), (80, 379858), (160, 189929)]