12611720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28663}}^1$

素因数の和:28685

約数の個数: 32

約数和(自身を含む): 30957120

約数和(自身を除く): 18345400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28663, 57326, 114652, 143315, 229304, 286630, 315293, 573260, 630586, 1146520, 1261172, 1576465, 2522344, 3152930, 6305860, 12611720]

約数ペア:

[(1, 12611720), (2, 6305860), (4, 3152930), (5, 2522344), (8, 1576465), (10, 1261172), (11, 1146520), (20, 630586), (22, 573260), (40, 315293), (44, 286630), (55, 229304), (88, 143315), (110, 114652), (220, 57326), (440, 28663)]