2140340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 4542720

約数和(自身を除く): 2402380

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1039, 2060, 2078, 4156, 5195, 10390, 20780, 107017, 214034, 428068, 535085, 1070170, 2140340]

約数ペア:

[(1, 2140340), (2, 1070170), (4, 535085), (5, 428068), (10, 214034), (20, 107017), (103, 20780), (206, 10390), (412, 5195), (515, 4156), (1030, 2078), (1039, 2060)]