418160

素因数分解:

$2^4\times 5^1\times {\mathrm{5227}}^1$

素因数の和:5240

約数の個数: 20

約数和(自身を含む): 972408

約数和(自身を除く): 554248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5227, 10454, 20908, 26135, 41816, 52270, 83632, 104540, 209080, 418160]

約数ペア:

[(1, 418160), (2, 209080), (4, 104540), (5, 83632), (8, 52270), (10, 41816), (16, 26135), (20, 20908), (40, 10454), (80, 5227)]