3891340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1889}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 8255520

約数和(自身を除く): 4364180

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1889, 2060, 3778, 7556, 9445, 18890, 37780, 194567, 389134, 778268, 972835, 1945670, 3891340]

約数ペア:

[(1, 3891340), (2, 1945670), (4, 972835), (5, 778268), (10, 389134), (20, 194567), (103, 37780), (206, 18890), (412, 9445), (515, 7556), (1030, 3778), (1889, 2060)]