199834160

素因数分解:

$2^4\times 5^1\times {\mathrm{2497927}}^1$

素因数の和:2497940

約数の個数: 20

約数和(自身を含む): 464614608

約数和(自身を除く): 264780448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2497927, 4995854, 9991708, 12489635, 19983416, 24979270, 39966832, 49958540, 99917080, 199834160]

約数ペア:

[(1, 199834160), (2, 99917080), (4, 49958540), (5, 39966832), (8, 24979270), (10, 19983416), (16, 12489635), (20, 9991708), (40, 4995854), (80, 2497927)]