80906896

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5197}}^1$

素因数の和:5351

約数の個数: 40

約数和(自身を含む): 180474560

約数和(自身を除く): 99567664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 5197, 7784, 10394, 15568, 20788, 36379, 41576, 72758, 83152, 145516, 291032, 582064, 722383, 1444766, 2889532, 5056681, 5779064, 10113362, 11558128, 20226724, 40453448, 80906896]

約数ペア:

[(1, 80906896), (2, 40453448), (4, 20226724), (7, 11558128), (8, 10113362), (14, 5779064), (16, 5056681), (28, 2889532), (56, 1444766), (112, 722383), (139, 582064), (278, 291032), (556, 145516), (973, 83152), (1112, 72758), (1946, 41576), (2224, 36379), (3892, 20788), (5197, 15568), (7784, 10394)]