205396160

素因数分解:

$2^6\times 5^1\times {\mathrm{641863}}^1$

素因数の和:641880

約数の個数: 28

約数和(自身を含む): 489100368

約数和(自身を除く): 283704208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 641863, 1283726, 2567452, 3209315, 5134904, 6418630, 10269808, 12837260, 20539616, 25674520, 41079232, 51349040, 102698080, 205396160]

約数ペア:

[(1, 205396160), (2, 102698080), (4, 51349040), (5, 41079232), (8, 25674520), (10, 20539616), (16, 12837260), (20, 10269808), (32, 6418630), (40, 5134904), (64, 3209315), (80, 2567452), (160, 1283726), (320, 641863)]