80136760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182129}}^1$

素因数の和:182151

約数の個数: 32

約数和(自身を含む): 196700400

約数和(自身を除く): 116563640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 182129, 364258, 728516, 910645, 1457032, 1821290, 2003419, 3642580, 4006838, 7285160, 8013676, 10017095, 16027352, 20034190, 40068380, 80136760]

約数ペア:

[(1, 80136760), (2, 40068380), (4, 20034190), (5, 16027352), (8, 10017095), (10, 8013676), (11, 7285160), (20, 4006838), (22, 3642580), (40, 2003419), (44, 1821290), (55, 1457032), (88, 910645), (110, 728516), (220, 364258), (440, 182129)]