1640390032

素因数分解:

$2^4\times {\mathrm{3881}}^1\times {\mathrm{26417}}^1$

素因数の和:30306

約数の個数: 20

約数和(自身を含む): 3179194956

約数和(自身を除く): 1538804924

約数列:

[1, 2, 4, 8, 16, 3881, 7762, 15524, 26417, 31048, 52834, 62096, 105668, 211336, 422672, 102524377, 205048754, 410097508, 820195016, 1640390032]

約数ペア:

[(1, 1640390032), (2, 820195016), (4, 410097508), (8, 205048754), (16, 102524377), (3881, 422672), (7762, 211336), (15524, 105668), (26417, 62096), (31048, 52834)]