2764240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 6506280

約数和(自身を除く): 3742040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 317, 436, 545, 634, 872, 1090, 1268, 1585, 1744, 2180, 2536, 3170, 4360, 5072, 6340, 8720, 12680, 25360, 34553, 69106, 138212, 172765, 276424, 345530, 552848, 691060, 1382120, 2764240]

約数ペア:

[(1, 2764240), (2, 1382120), (4, 691060), (5, 552848), (8, 345530), (10, 276424), (16, 172765), (20, 138212), (40, 69106), (80, 34553), (109, 25360), (218, 12680), (317, 8720), (436, 6340), (545, 5072), (634, 4360), (872, 3170), (1090, 2536), (1268, 2180), (1585, 1744)]