78767680

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1879}}^1$

素因数の和:2027

約数の個数: 56

約数和(自身を含む): 189097920

約数和(自身を除く): 110330240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 1879, 2096, 2620, 3758, 4192, 5240, 7516, 8384, 9395, 10480, 15032, 18790, 20960, 30064, 37580, 41920, 60128, 75160, 120256, 150320, 246149, 300640, 492298, 601280, 984596, 1230745, 1969192, 2461490, 3938384, 4922980, 7876768, 9845960, 15753536, 19691920, 39383840, 78767680]

約数ペア:

[(1, 78767680), (2, 39383840), (4, 19691920), (5, 15753536), (8, 9845960), (10, 7876768), (16, 4922980), (20, 3938384), (32, 2461490), (40, 1969192), (64, 1230745), (80, 984596), (131, 601280), (160, 492298), (262, 300640), (320, 246149), (524, 150320), (655, 120256), (1048, 75160), (1310, 60128), (1879, 41920), (2096, 37580), (2620, 30064), (3758, 20960), (4192, 18790), (5240, 15032), (7516, 10480), (8384, 9395)]