139025784580

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{7014419}}^1$

素因数の和:7015419

約数の個数: 24

約数和(自身を含む): 292248794880

約数和(自身を除く): 153223010300

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 7014419, 14028838, 28057676, 35072095, 70144190, 140288380, 6951289229, 13902578458, 27805156916, 34756446145, 69512892290, 139025784580]

約数ペア:

[(1, 139025784580), (2, 69512892290), (4, 34756446145), (5, 27805156916), (10, 13902578458), (20, 6951289229), (991, 140288380), (1982, 70144190), (3964, 35072095), (4955, 28057676), (9910, 14028838), (19820, 7014419)]