80854840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183761}}^1$

素因数の和:183783

約数の個数: 32

約数和(自身を含む): 198462960

約数和(自身を除く): 117608120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183761, 367522, 735044, 918805, 1470088, 1837610, 2021371, 3675220, 4042742, 7350440, 8085484, 10106855, 16170968, 20213710, 40427420, 80854840]

約数ペア:

[(1, 80854840), (2, 40427420), (4, 20213710), (5, 16170968), (8, 10106855), (10, 8085484), (11, 7350440), (20, 4042742), (22, 3675220), (40, 2021371), (44, 1837610), (55, 1470088), (88, 918805), (110, 735044), (220, 367522), (440, 183761)]