80144204

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21521}}^1$

素因数の和:21558

約数の個数: 36

約数和(自身を含む): 171745560

約数和(自身を除く): 91601356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21521, 43042, 86084, 150647, 301294, 408899, 602588, 817798, 1054529, 1635596, 2109058, 2862293, 4218116, 5724586, 11449172, 20036051, 40072102, 80144204]

約数ペア:

[(1, 80144204), (2, 40072102), (4, 20036051), (7, 11449172), (14, 5724586), (19, 4218116), (28, 2862293), (38, 2109058), (49, 1635596), (76, 1054529), (98, 817798), (133, 602588), (196, 408899), (266, 301294), (532, 150647), (931, 86084), (1862, 43042), (3724, 21521)]