16978640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{30319}}^1$

素因数の和:30339

約数の個数: 40

約数和(自身を含む): 45116160

約数和(自身を除く): 28137520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 30319, 60638, 121276, 151595, 212233, 242552, 303190, 424466, 485104, 606380, 848932, 1061165, 1212760, 1697864, 2122330, 2425520, 3395728, 4244660, 8489320, 16978640]

約数ペア:

[(1, 16978640), (2, 8489320), (4, 4244660), (5, 3395728), (7, 2425520), (8, 2122330), (10, 1697864), (14, 1212760), (16, 1061165), (20, 848932), (28, 606380), (35, 485104), (40, 424466), (56, 303190), (70, 242552), (80, 212233), (112, 151595), (140, 121276), (280, 60638), (560, 30319)]