80487988

素因数分解:

$2^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{2459}}^1$

素因数の和:2644

約数の個数: 36

約数和(自身を含む): 164898720

約数和(自身を除く): 84410732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 167, 196, 334, 668, 1169, 2338, 2459, 4676, 4918, 8183, 9836, 16366, 17213, 32732, 34426, 68852, 120491, 240982, 410653, 481964, 821306, 1642612, 2874571, 5749142, 11498284, 20121997, 40243994, 80487988]

約数ペア:

[(1, 80487988), (2, 40243994), (4, 20121997), (7, 11498284), (14, 5749142), (28, 2874571), (49, 1642612), (98, 821306), (167, 481964), (196, 410653), (334, 240982), (668, 120491), (1169, 68852), (2338, 34426), (2459, 32732), (4676, 17213), (4918, 16366), (8183, 9836)]