80945200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28909}}^1$

素因数の和:28934

約数の個数: 60

約数和(自身を含む): 222260080

約数和(自身を除く): 141314880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28909, 57818, 115636, 144545, 202363, 231272, 289090, 404726, 462544, 578180, 722725, 809452, 1011815, 1156360, 1445450, 1618904, 2023630, 2312720, 2890900, 3237808, 4047260, 5059075, 5781800, 8094520, 10118150, 11563600, 16189040, 20236300, 40472600, 80945200]

約数ペア:

[(1, 80945200), (2, 40472600), (4, 20236300), (5, 16189040), (7, 11563600), (8, 10118150), (10, 8094520), (14, 5781800), (16, 5059075), (20, 4047260), (25, 3237808), (28, 2890900), (35, 2312720), (40, 2023630), (50, 1618904), (56, 1445450), (70, 1156360), (80, 1011815), (100, 809452), (112, 722725), (140, 578180), (175, 462544), (200, 404726), (280, 289090), (350, 231272), (400, 202363), (560, 144545), (700, 115636), (1400, 57818), (2800, 28909)]