8438560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4085

約数の個数: 48

約数和(自身を含む): 21474936

約数和(自身を除く): 13036376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 4057, 8114, 16228, 20285, 32456, 40570, 52741, 64912, 81140, 105482, 129824, 162280, 210964, 263705, 324560, 421928, 527410, 649120, 843856, 1054820, 1687712, 2109640, 4219280, 8438560]

約数ペア:

[(1, 8438560), (2, 4219280), (4, 2109640), (5, 1687712), (8, 1054820), (10, 843856), (13, 649120), (16, 527410), (20, 421928), (26, 324560), (32, 263705), (40, 210964), (52, 162280), (65, 129824), (80, 105482), (104, 81140), (130, 64912), (160, 52741), (208, 40570), (260, 32456), (416, 20285), (520, 16228), (1040, 8114), (2080, 4057)]