523291220

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{16141}}^1$

素因数の和:17771

約数の個数: 24

約数和(自身を含む): 1099657608

約数和(自身を除く): 576366388

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8105, 16141, 16210, 32282, 32420, 64564, 80705, 161410, 322820, 26164561, 52329122, 104658244, 130822805, 261645610, 523291220]

約数ペア:

[(1, 523291220), (2, 261645610), (4, 130822805), (5, 104658244), (10, 52329122), (20, 26164561), (1621, 322820), (3242, 161410), (6484, 80705), (8105, 64564), (16141, 32420), (16210, 32282)]