16712920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8527}}^1$

素因数の和:8552

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 27035720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8527, 17054, 34108, 42635, 59689, 68216, 85270, 119378, 170540, 238756, 298445, 341080, 417823, 477512, 596890, 835646, 1193780, 1671292, 2089115, 2387560, 3342584, 4178230, 8356460, 16712920]

約数ペア:

[(1, 16712920), (2, 8356460), (4, 4178230), (5, 3342584), (7, 2387560), (8, 2089115), (10, 1671292), (14, 1193780), (20, 835646), (28, 596890), (35, 477512), (40, 417823), (49, 341080), (56, 298445), (70, 238756), (98, 170540), (140, 119378), (196, 85270), (245, 68216), (280, 59689), (392, 42635), (490, 34108), (980, 17054), (1960, 8527)]