2585420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 5461344

約数和(自身を除く): 2875924

約数列:

[1, 2, 4, 5, 10, 20, 257, 503, 514, 1006, 1028, 1285, 2012, 2515, 2570, 5030, 5140, 10060, 129271, 258542, 517084, 646355, 1292710, 2585420]

約数ペア:

[(1, 2585420), (2, 1292710), (4, 646355), (5, 517084), (10, 258542), (20, 129271), (257, 10060), (503, 5140), (514, 5030), (1006, 2570), (1028, 2515), (1285, 2012)]