79557880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15661}}^1$

素因数の和:15799

約数の個数: 32

約数和(自身を含む): 180426240

約数和(自身を除く): 100868360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15661, 31322, 62644, 78305, 125288, 156610, 313220, 626440, 1988947, 3977894, 7955788, 9944735, 15911576, 19889470, 39778940, 79557880]

約数ペア:

[(1, 79557880), (2, 39778940), (4, 19889470), (5, 15911576), (8, 9944735), (10, 7955788), (20, 3977894), (40, 1988947), (127, 626440), (254, 313220), (508, 156610), (635, 125288), (1016, 78305), (1270, 62644), (2540, 31322), (5080, 15661)]