12841796720

素因数分解:

$2^4\times 5^1\times {\mathrm{160522459}}^1$

素因数の和:160522472

約数の個数: 20

約数和(自身を含む): 29857177560

約数和(自身を除く): 17015380840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160522459, 321044918, 642089836, 802612295, 1284179672, 1605224590, 2568359344, 3210449180, 6420898360, 12841796720]

約数ペア:

[(1, 12841796720), (2, 6420898360), (4, 3210449180), (5, 2568359344), (8, 1605224590), (10, 1284179672), (16, 802612295), (20, 642089836), (40, 321044918), (80, 160522459)]