31367440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30161}}^1$

素因数の和:30187

約数の個数: 40

約数和(自身を含む): 78541848

約数和(自身を除く): 47174408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30161, 60322, 120644, 150805, 241288, 301610, 392093, 482576, 603220, 784186, 1206440, 1568372, 1960465, 2412880, 3136744, 3920930, 6273488, 7841860, 15683720, 31367440]

約数ペア:

[(1, 31367440), (2, 15683720), (4, 7841860), (5, 6273488), (8, 3920930), (10, 3136744), (13, 2412880), (16, 1960465), (20, 1568372), (26, 1206440), (40, 784186), (52, 603220), (65, 482576), (80, 392093), (104, 301610), (130, 241288), (208, 150805), (260, 120644), (520, 60322), (1040, 30161)]