4219280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4083

約数の個数: 40

約数和(自身を含む): 10567032

約数和(自身を除く): 6347752

約数列:

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

約数ペア:

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