2645780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 5588352

約数和(自身を除く): 2942572

約数列:

[1, 2, 4, 5, 10, 20, 263, 503, 526, 1006, 1052, 1315, 2012, 2515, 2630, 5030, 5260, 10060, 132289, 264578, 529156, 661445, 1322890, 2645780]

約数ペア:

[(1, 2645780), (2, 1322890), (4, 661445), (5, 529156), (10, 264578), (20, 132289), (263, 10060), (503, 5260), (526, 5030), (1006, 2630), (1052, 2515), (1315, 2012)]