2646009140

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{323473}}^1$

素因数の和:323891

約数の個数: 24

約数和(自身を含む): 5570222280

約数和(自身を除く): 2924213140

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 323473, 646946, 1293892, 1617365, 3234730, 6469460, 132300457, 264600914, 529201828, 661502285, 1323004570, 2646009140]

約数ペア:

[(1, 2646009140), (2, 1323004570), (4, 661502285), (5, 529201828), (10, 264600914), (20, 132300457), (409, 6469460), (818, 3234730), (1636, 1617365), (2045, 1293892), (4090, 646946), (8180, 323473)]