78260240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51487}}^1$

素因数の和:51519

約数の個数: 40

約数和(自身を含む): 191535360

約数和(自身を除く): 113275120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51487, 102974, 205948, 257435, 411896, 514870, 823792, 978253, 1029740, 1956506, 2059480, 3913012, 4118960, 4891265, 7826024, 9782530, 15652048, 19565060, 39130120, 78260240]

約数ペア:

[(1, 78260240), (2, 39130120), (4, 19565060), (5, 15652048), (8, 9782530), (10, 7826024), (16, 4891265), (19, 4118960), (20, 3913012), (38, 2059480), (40, 1956506), (76, 1029740), (80, 978253), (95, 823792), (152, 514870), (190, 411896), (304, 257435), (380, 205948), (760, 102974), (1520, 51487)]