123690680

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{2909}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 278661600

約数和(自身を除く): 154970920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 2909, 4252, 5315, 5818, 8504, 10630, 11636, 14545, 21260, 23272, 29090, 42520, 58180, 116360, 3092267, 6184534, 12369068, 15461335, 24738136, 30922670, 61845340, 123690680]

約数ペア:

[(1, 123690680), (2, 61845340), (4, 30922670), (5, 24738136), (8, 15461335), (10, 12369068), (20, 6184534), (40, 3092267), (1063, 116360), (2126, 58180), (2909, 42520), (4252, 29090), (5315, 23272), (5818, 21260), (8504, 14545), (10630, 11636)]