80020728

素因数分解:

$2^3\times 3^2\times {\mathrm{1111399}}^1$

素因数の和:1111411

約数の個数: 24

約数和(自身を含む): 216723000

約数和(自身を除く): 136702272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1111399, 2222798, 3334197, 4445596, 6668394, 8891192, 10002591, 13336788, 20005182, 26673576, 40010364, 80020728]

約数ペア:

[(1, 80020728), (2, 40010364), (3, 26673576), (4, 20005182), (6, 13336788), (8, 10002591), (9, 8891192), (12, 6668394), (18, 4445596), (24, 3334197), (36, 2222798), (72, 1111399)]