84819640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10987}}^1$

素因数の和:11191

約数の個数: 32

約数和(自身を含む): 191850480

約数和(自身を除く): 107030840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 439480, 2120491, 4240982, 8481964, 10602455, 16963928, 21204910, 42409820, 84819640]

約数ペア:

[(1, 84819640), (2, 42409820), (4, 21204910), (5, 16963928), (8, 10602455), (10, 8481964), (20, 4240982), (40, 2120491), (193, 439480), (386, 219740), (772, 109870), (965, 87896), (1544, 54935), (1930, 43948), (3860, 21974), (7720, 10987)]