12754840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45553}}^1$

素因数の和:45571

約数の個数: 32

約数和(自身を含む): 32798880

約数和(自身を除く): 20044040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45553, 91106, 182212, 227765, 318871, 364424, 455530, 637742, 911060, 1275484, 1594355, 1822120, 2550968, 3188710, 6377420, 12754840]

約数ペア:

[(1, 12754840), (2, 6377420), (4, 3188710), (5, 2550968), (7, 1822120), (8, 1594355), (10, 1275484), (14, 911060), (20, 637742), (28, 455530), (35, 364424), (40, 318871), (56, 227765), (70, 182212), (140, 91106), (280, 45553)]