123820160

素因数分解:

$2^7\times 5^1\times {\mathrm{193469}}^1$

素因数の和:193488

約数の個数: 32

約数和(自身を含む): 296009100

約数和(自身を除く): 172188940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 193469, 386938, 773876, 967345, 1547752, 1934690, 3095504, 3869380, 6191008, 7738760, 12382016, 15477520, 24764032, 30955040, 61910080, 123820160]

約数ペア:

[(1, 123820160), (2, 61910080), (4, 30955040), (5, 24764032), (8, 15477520), (10, 12382016), (16, 7738760), (20, 6191008), (32, 3869380), (40, 3095504), (64, 1934690), (80, 1547752), (128, 967345), (160, 773876), (320, 386938), (640, 193469)]