28468640

素因数分解:

$2^5\times 5^1\times {\mathrm{177929}}^1$

素因数の和:177944

約数の個数: 24

約数和(自身を含む): 67257540

約数和(自身を除く): 38788900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177929, 355858, 711716, 889645, 1423432, 1779290, 2846864, 3558580, 5693728, 7117160, 14234320, 28468640]

約数ペア:

[(1, 28468640), (2, 14234320), (4, 7117160), (5, 5693728), (8, 3558580), (10, 2846864), (16, 1779290), (20, 1423432), (32, 889645), (40, 711716), (80, 355858), (160, 177929)]