2555240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 3250840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 503, 508, 635, 1006, 1016, 1270, 2012, 2515, 2540, 4024, 5030, 5080, 10060, 20120, 63881, 127762, 255524, 319405, 511048, 638810, 1277620, 2555240]

約数ペア:

[(1, 2555240), (2, 1277620), (4, 638810), (5, 511048), (8, 319405), (10, 255524), (20, 127762), (40, 63881), (127, 20120), (254, 10060), (503, 5080), (508, 5030), (635, 4024), (1006, 2540), (1016, 2515), (1270, 2012)]