2498780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1213}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 5302752

約数和(自身を除く): 2803972

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1213, 2060, 2426, 4852, 6065, 12130, 24260, 124939, 249878, 499756, 624695, 1249390, 2498780]

約数ペア:

[(1, 2498780), (2, 1249390), (4, 624695), (5, 499756), (10, 249878), (20, 124939), (103, 24260), (206, 12130), (412, 6065), (515, 4852), (1030, 2426), (1213, 2060)]