1277620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 2709504

約数和(自身を除く): 1431884

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 503, 508, 635, 1006, 1270, 2012, 2515, 2540, 5030, 10060, 63881, 127762, 255524, 319405, 638810, 1277620]

約数ペア:

[(1, 1277620), (2, 638810), (4, 319405), (5, 255524), (10, 127762), (20, 63881), (127, 10060), (254, 5030), (503, 2540), (508, 2515), (635, 2012), (1006, 1270)]