2021559920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{476783}}^1$

素因数の和:476849

約数の個数: 40

約数和(自身を含む): 4788818496

約数和(自身を除く): 2767258576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 476783, 953566, 1907132, 2383915, 3814264, 4767830, 7628528, 9535660, 19071320, 25269499, 38142640, 50538998, 101077996, 126347495, 202155992, 252694990, 404311984, 505389980, 1010779960, 2021559920]

約数ペア:

[(1, 2021559920), (2, 1010779960), (4, 505389980), (5, 404311984), (8, 252694990), (10, 202155992), (16, 126347495), (20, 101077996), (40, 50538998), (53, 38142640), (80, 25269499), (106, 19071320), (212, 9535660), (265, 7628528), (424, 4767830), (530, 3814264), (848, 2383915), (1060, 1907132), (2120, 953566), (4240, 476783)]