80568292

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 164577280

約数和(自身を除く): 84008988

約数列:

[1, 2, 4, 7, 14, 28, 127, 139, 163, 254, 278, 326, 508, 556, 652, 889, 973, 1141, 1778, 1946, 2282, 3556, 3892, 4564, 17653, 20701, 22657, 35306, 41402, 45314, 70612, 82804, 90628, 123571, 144907, 158599, 247142, 289814, 317198, 494284, 579628, 634396, 2877439, 5754878, 11509756, 20142073, 40284146, 80568292]

約数ペア:

[(1, 80568292), (2, 40284146), (4, 20142073), (7, 11509756), (14, 5754878), (28, 2877439), (127, 634396), (139, 579628), (163, 494284), (254, 317198), (278, 289814), (326, 247142), (508, 158599), (556, 144907), (652, 123571), (889, 90628), (973, 82804), (1141, 70612), (1778, 45314), (1946, 41402), (2282, 35306), (3556, 22657), (3892, 20701), (4564, 17653)]