80258740

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4783}}^1$

素因数の和:5631

約数の個数: 24

約数和(自身を含む): 168779520

約数和(自身を除く): 88520780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 4783, 8390, 9566, 16780, 19132, 23915, 47830, 95660, 4012937, 8025874, 16051748, 20064685, 40129370, 80258740]

約数ペア:

[(1, 80258740), (2, 40129370), (4, 20064685), (5, 16051748), (10, 8025874), (20, 4012937), (839, 95660), (1678, 47830), (3356, 23915), (4195, 19132), (4783, 16780), (8390, 9566)]