248839120

素因数分解:

$2^4\times 5^1\times {\mathrm{3110489}}^1$

素因数の和:3110502

約数の個数: 20

約数和(自身を含む): 578551140

約数和(自身を除く): 329712020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3110489, 6220978, 12441956, 15552445, 24883912, 31104890, 49767824, 62209780, 124419560, 248839120]

約数ペア:

[(1, 248839120), (2, 124419560), (4, 62209780), (5, 49767824), (8, 31104890), (10, 24883912), (16, 15552445), (20, 12441956), (40, 6220978), (80, 3110489)]