105643640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20161}}^1$

素因数の和:20303

約数の個数: 32

約数和(自身を含む): 239524560

約数和(自身を除く): 133880920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 20161, 40322, 80644, 100805, 161288, 201610, 403220, 806440, 2641091, 5282182, 10564364, 13205455, 21128728, 26410910, 52821820, 105643640]

約数ペア:

[(1, 105643640), (2, 52821820), (4, 26410910), (5, 21128728), (8, 13205455), (10, 10564364), (20, 5282182), (40, 2641091), (131, 806440), (262, 403220), (524, 201610), (655, 161288), (1048, 100805), (1310, 80644), (2620, 40322), (5240, 20161)]