256560160

素因数分解:

$2^5\times 5^1\times {\mathrm{1603501}}^1$

素因数の和:1603516

約数の個数: 24

約数和(自身を含む): 606123756

約数和(自身を除く): 349563596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1603501, 3207002, 6414004, 8017505, 12828008, 16035010, 25656016, 32070020, 51312032, 64140040, 128280080, 256560160]

約数ペア:

[(1, 256560160), (2, 128280080), (4, 64140040), (5, 51312032), (8, 32070020), (10, 25656016), (16, 16035010), (20, 12828008), (32, 8017505), (40, 6414004), (80, 3207002), (160, 1603501)]