15925840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28439}}^1$

素因数の和:28459

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 26392880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28439, 56878, 113756, 142195, 199073, 227512, 284390, 398146, 455024, 568780, 796292, 995365, 1137560, 1592584, 1990730, 2275120, 3185168, 3981460, 7962920, 15925840]

約数ペア:

[(1, 15925840), (2, 7962920), (4, 3981460), (5, 3185168), (7, 2275120), (8, 1990730), (10, 1592584), (14, 1137560), (16, 995365), (20, 796292), (28, 568780), (35, 455024), (40, 398146), (56, 284390), (70, 227512), (80, 199073), (112, 142195), (140, 113756), (280, 56878), (560, 28439)]