202080080

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2927}}^1$

素因数の和:3803

約数の個数: 40

約数和(自身を含む): 470541312

約数和(自身を除く): 268461232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1726, 2927, 3452, 4315, 5854, 6904, 8630, 11708, 13808, 14635, 17260, 23416, 29270, 34520, 46832, 58540, 69040, 117080, 234160, 2526001, 5052002, 10104004, 12630005, 20208008, 25260010, 40416016, 50520020, 101040040, 202080080]

約数ペア:

[(1, 202080080), (2, 101040040), (4, 50520020), (5, 40416016), (8, 25260010), (10, 20208008), (16, 12630005), (20, 10104004), (40, 5052002), (80, 2526001), (863, 234160), (1726, 117080), (2927, 69040), (3452, 58540), (4315, 46832), (5854, 34520), (6904, 29270), (8630, 23416), (11708, 17260), (13808, 14635)]