25778740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99149}}^1$

素因数の和:99171

約数の個数: 24

約数和(自身を含む): 58300200

約数和(自身を除く): 32521460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99149, 198298, 396596, 495745, 991490, 1288937, 1982980, 2577874, 5155748, 6444685, 12889370, 25778740]

約数ペア:

[(1, 25778740), (2, 12889370), (4, 6444685), (5, 5155748), (10, 2577874), (13, 1982980), (20, 1288937), (26, 991490), (52, 495745), (65, 396596), (130, 198298), (260, 99149)]