81680848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 167871200

約数和(自身を除く): 86190352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 1933, 2224, 2641, 3866, 5282, 7732, 10564, 15464, 21128, 30928, 36727, 42256, 73454, 146908, 268687, 293816, 537374, 587632, 1074748, 2149496, 4298992, 5105053, 10210106, 20420212, 40840424, 81680848]

約数ペア:

[(1, 81680848), (2, 40840424), (4, 20420212), (8, 10210106), (16, 5105053), (19, 4298992), (38, 2149496), (76, 1074748), (139, 587632), (152, 537374), (278, 293816), (304, 268687), (556, 146908), (1112, 73454), (1933, 42256), (2224, 36727), (2641, 30928), (3866, 21128), (5282, 15464), (7732, 10564)]