2912180720

素因数分解:

$2^4\times 5^1\times {\mathrm{36402259}}^1$

素因数の和:36402272

約数の個数: 20

約数和(自身を含む): 6770820360

約数和(自身を除く): 3858639640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36402259, 72804518, 145609036, 182011295, 291218072, 364022590, 582436144, 728045180, 1456090360, 2912180720]

約数ペア:

[(1, 2912180720), (2, 1456090360), (4, 728045180), (5, 582436144), (8, 364022590), (10, 291218072), (16, 182011295), (20, 145609036), (40, 72804518), (80, 36402259)]