99618160

素因数分解:

$2^4\times 5^1\times {\mathrm{1245227}}^1$

素因数の和:1245240

約数の個数: 20

約数和(自身を含む): 231612408

約数和(自身を除く): 131994248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245227, 2490454, 4980908, 6226135, 9961816, 12452270, 19923632, 24904540, 49809080, 99618160]

約数ペア:

[(1, 99618160), (2, 49809080), (4, 24904540), (5, 19923632), (8, 12452270), (10, 9961816), (16, 6226135), (20, 4980908), (40, 2490454), (80, 1245227)]