26512820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18671}}^1$

素因数の和:18751

約数の個数: 24

約数和(自身を含む): 56464128

約数和(自身を除く): 29951308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18671, 37342, 74684, 93355, 186710, 373420, 1325641, 2651282, 5302564, 6628205, 13256410, 26512820]

約数ペア:

[(1, 26512820), (2, 13256410), (4, 6628205), (5, 5302564), (10, 2651282), (20, 1325641), (71, 373420), (142, 186710), (284, 93355), (355, 74684), (710, 37342), (1420, 18671)]