2490340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 5359032

約数和(自身を除く): 2868692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3037, 6074, 12148, 15185, 30370, 60740, 124517, 249034, 498068, 622585, 1245170, 2490340]

約数ペア:

[(1, 2490340), (2, 1245170), (4, 622585), (5, 498068), (10, 249034), (20, 124517), (41, 60740), (82, 30370), (164, 15185), (205, 12148), (410, 6074), (820, 3037)]