131845840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{235439}}^1$

素因数の和:235459

約数の個数: 40

約数和(自身を含む): 350334720

約数和(自身を除く): 218488880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 235439, 470878, 941756, 1177195, 1648073, 1883512, 2354390, 3296146, 3767024, 4708780, 6592292, 8240365, 9417560, 13184584, 16480730, 18835120, 26369168, 32961460, 65922920, 131845840]

約数ペア:

[(1, 131845840), (2, 65922920), (4, 32961460), (5, 26369168), (7, 18835120), (8, 16480730), (10, 13184584), (14, 9417560), (16, 8240365), (20, 6592292), (28, 4708780), (35, 3767024), (40, 3296146), (56, 2354390), (70, 1883512), (80, 1648073), (112, 1177195), (140, 941756), (280, 470878), (560, 235439)]