4099280

素因数分解:

$2^4\times 5^1\times {\mathrm{51241}}^1$

素因数の和:51254

約数の個数: 20

約数和(自身を含む): 9531012

約数和(自身を除く): 5431732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51241, 102482, 204964, 256205, 409928, 512410, 819856, 1024820, 2049640, 4099280]

約数ペア:

[(1, 4099280), (2, 2049640), (4, 1024820), (5, 819856), (8, 512410), (10, 409928), (16, 256205), (20, 204964), (40, 102482), (80, 51241)]