123104560

素因数分解:

$2^4\times 5^1\times {\mathrm{1538807}}^1$

素因数の和:1538820

約数の個数: 20

約数和(自身を含む): 286218288

約数和(自身を除く): 163113728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1538807, 3077614, 6155228, 7694035, 12310456, 15388070, 24620912, 30776140, 61552280, 123104560]

約数ペア:

[(1, 123104560), (2, 61552280), (4, 30776140), (5, 24620912), (8, 15388070), (10, 12310456), (16, 7694035), (20, 6155228), (40, 3077614), (80, 1538807)]