488995280

素因数分解:

$2^4\times 5^1\times {\mathrm{6112441}}^1$

素因数の和:6112454

約数の個数: 20

約数和(自身を含む): 1136914212

約数和(自身を除く): 647918932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6112441, 12224882, 24449764, 30562205, 48899528, 61124410, 97799056, 122248820, 244497640, 488995280]

約数ペア:

[(1, 488995280), (2, 244497640), (4, 122248820), (5, 97799056), (8, 61124410), (10, 48899528), (16, 30562205), (20, 24449764), (40, 12224882), (80, 6112441)]