848211640

素因数分解:

$2^3\times 5^1\times {\mathrm{21205291}}^1$

素因数の和:21205302

約数の個数: 16

約数和(自身を含む): 1908476280

約数和(自身を除く): 1060264640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21205291, 42410582, 84821164, 106026455, 169642328, 212052910, 424105820, 848211640]

約数ペア:

[(1, 848211640), (2, 424105820), (4, 212052910), (5, 169642328), (8, 106026455), (10, 84821164), (20, 42410582), (40, 21205291)]