170220040

素因数分解:

$2^3\times 5^1\times {\mathrm{4255501}}^1$

素因数の和:4255512

約数の個数: 16

約数和(自身を含む): 382995180

約数和(自身を除く): 212775140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4255501, 8511002, 17022004, 21277505, 34044008, 42555010, 85110020, 170220040]

約数ペア:

[(1, 170220040), (2, 85110020), (4, 42555010), (5, 34044008), (8, 21277505), (10, 17022004), (20, 8511002), (40, 4255501)]