612492040

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{8887}}^1$

素因数の和:10621

約数の個数: 32

約数和(自身を含む): 1379062080

約数和(自身を除く): 766570040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3446, 6892, 8615, 8887, 13784, 17230, 17774, 34460, 35548, 44435, 68920, 71096, 88870, 177740, 355480, 15312301, 30624602, 61249204, 76561505, 122498408, 153123010, 306246020, 612492040]

約数ペア:

[(1, 612492040), (2, 306246020), (4, 153123010), (5, 122498408), (8, 76561505), (10, 61249204), (20, 30624602), (40, 15312301), (1723, 355480), (3446, 177740), (6892, 88870), (8615, 71096), (8887, 68920), (13784, 44435), (17230, 35548), (17774, 34460)]