2850640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 7140168

約数和(自身を除く): 4289528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2741, 5482, 10964, 13705, 21928, 27410, 35633, 43856, 54820, 71266, 109640, 142532, 178165, 219280, 285064, 356330, 570128, 712660, 1425320, 2850640]

約数ペア:

[(1, 2850640), (2, 1425320), (4, 712660), (5, 570128), (8, 356330), (10, 285064), (13, 219280), (16, 178165), (20, 142532), (26, 109640), (40, 71266), (52, 54820), (65, 43856), (80, 35633), (104, 27410), (130, 21928), (208, 13705), (260, 10964), (520, 5482), (1040, 2741)]