393520

素因数分解:

$2^4\times 5^1\times {\mathrm{4919}}^1$

素因数の和:4932

約数の個数: 20

約数和(自身を含む): 915120

約数和(自身を除く): 521600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4919, 9838, 19676, 24595, 39352, 49190, 78704, 98380, 196760, 393520]

約数ペア:

[(1, 393520), (2, 196760), (4, 98380), (5, 78704), (8, 49190), (10, 39352), (16, 24595), (20, 19676), (40, 9838), (80, 4919)]