2022640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 4763088

約数和(自身を除く): 2740448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 193, 262, 386, 524, 655, 772, 965, 1048, 1310, 1544, 1930, 2096, 2620, 3088, 3860, 5240, 7720, 10480, 15440, 25283, 50566, 101132, 126415, 202264, 252830, 404528, 505660, 1011320, 2022640]

約数ペア:

[(1, 2022640), (2, 1011320), (4, 505660), (5, 404528), (8, 252830), (10, 202264), (16, 126415), (20, 101132), (40, 50566), (80, 25283), (131, 15440), (193, 10480), (262, 7720), (386, 5240), (524, 3860), (655, 3088), (772, 2620), (965, 2096), (1048, 1930), (1310, 1544)]