161816360

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{5923}}^1$

素因数の和:6617

約数の個数: 32

約数和(自身を含む): 364681440

約数和(自身を除く): 202865080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 5923, 6830, 11846, 13660, 23692, 27320, 29615, 47384, 59230, 118460, 236920, 4045409, 8090818, 16181636, 20227045, 32363272, 40454090, 80908180, 161816360]

約数ペア:

[(1, 161816360), (2, 80908180), (4, 40454090), (5, 32363272), (8, 20227045), (10, 16181636), (20, 8090818), (40, 4045409), (683, 236920), (1366, 118460), (2732, 59230), (3415, 47384), (5464, 29615), (5923, 27320), (6830, 23692), (11846, 13660)]