13954280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20521}}^1$

素因数の和:20549

約数の個数: 32

約数和(自身を含む): 33245640

約数和(自身を除く): 19291360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20521, 41042, 82084, 102605, 164168, 205210, 348857, 410420, 697714, 820840, 1395428, 1744285, 2790856, 3488570, 6977140, 13954280]

約数ペア:

[(1, 13954280), (2, 6977140), (4, 3488570), (5, 2790856), (8, 1744285), (10, 1395428), (17, 820840), (20, 697714), (34, 410420), (40, 348857), (68, 205210), (85, 164168), (136, 102605), (170, 82084), (340, 41042), (680, 20521)]