164484560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20357}}^1$

素因数の和:20471

約数の個数: 40

約数和(自身を含む): 386231976

約数和(自身を除く): 221747416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 407140, 814280, 1628560, 2056057, 4112114, 8224228, 10280285, 16448456, 20560570, 32896912, 41121140, 82242280, 164484560]

約数ペア:

[(1, 164484560), (2, 82242280), (4, 41121140), (5, 32896912), (8, 20560570), (10, 16448456), (16, 10280285), (20, 8224228), (40, 4112114), (80, 2056057), (101, 1628560), (202, 814280), (404, 407140), (505, 325712), (808, 203570), (1010, 162856), (1616, 101785), (2020, 81428), (4040, 40714), (8080, 20357)]