7264880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12973}}^1$

素因数の和:12993

約数の個数: 40

約数和(自身を含む): 19305312

約数和(自身を除く): 12040432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12973, 25946, 51892, 64865, 90811, 103784, 129730, 181622, 207568, 259460, 363244, 454055, 518920, 726488, 908110, 1037840, 1452976, 1816220, 3632440, 7264880]

約数ペア:

[(1, 7264880), (2, 3632440), (4, 1816220), (5, 1452976), (7, 1037840), (8, 908110), (10, 726488), (14, 518920), (16, 454055), (20, 363244), (28, 259460), (35, 207568), (40, 181622), (56, 129730), (70, 103784), (80, 90811), (112, 64865), (140, 51892), (280, 25946), (560, 12973)]