30400520

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{919}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 68558400

約数和(自身を除く): 38157880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 919, 1654, 1838, 3308, 3676, 4135, 4595, 6616, 7352, 8270, 9190, 16540, 18380, 33080, 36760, 760013, 1520026, 3040052, 3800065, 6080104, 7600130, 15200260, 30400520]

約数ペア:

[(1, 30400520), (2, 15200260), (4, 7600130), (5, 6080104), (8, 3800065), (10, 3040052), (20, 1520026), (40, 760013), (827, 36760), (919, 33080), (1654, 18380), (1838, 16540), (3308, 9190), (3676, 8270), (4135, 7352), (4595, 6616)]