268548640

素因数分解:

$2^5\times 5^1\times {\mathrm{1678429}}^1$

素因数の和:1678444

約数の個数: 24

約数和(自身を含む): 634446540

約数和(自身を除く): 365897900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1678429, 3356858, 6713716, 8392145, 13427432, 16784290, 26854864, 33568580, 53709728, 67137160, 134274320, 268548640]

約数ペア:

[(1, 268548640), (2, 134274320), (4, 67137160), (5, 53709728), (8, 33568580), (10, 26854864), (16, 16784290), (20, 13427432), (32, 8392145), (40, 6713716), (80, 3356858), (160, 1678429)]