63884780

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4937}}^1$

素因数の和:5593

約数の個数: 24

約数和(自身を含む): 134392608

約数和(自身を除く): 70507828

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4937, 6470, 9874, 12940, 19748, 24685, 49370, 98740, 3194239, 6388478, 12776956, 15971195, 31942390, 63884780]

約数ペア:

[(1, 63884780), (2, 31942390), (4, 15971195), (5, 12776956), (10, 6388478), (20, 3194239), (647, 98740), (1294, 49370), (2588, 24685), (3235, 19748), (4937, 12940), (6470, 9874)]