205620080

素因数分解:

$2^4\times 5^1\times {\mathrm{2570251}}^1$

素因数の和:2570264

約数の個数: 20

約数和(自身を含む): 478066872

約数和(自身を除く): 272446792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2570251, 5140502, 10281004, 12851255, 20562008, 25702510, 41124016, 51405020, 102810040, 205620080]

約数ペア:

[(1, 205620080), (2, 102810040), (4, 51405020), (5, 41124016), (8, 25702510), (10, 20562008), (16, 12851255), (20, 10281004), (40, 5140502), (80, 2570251)]