12866840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45953}}^1$

素因数の和:45971

約数の個数: 32

約数和(自身を含む): 33086880

約数和(自身を除く): 20220040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45953, 91906, 183812, 229765, 321671, 367624, 459530, 643342, 919060, 1286684, 1608355, 1838120, 2573368, 3216710, 6433420, 12866840]

約数ペア:

[(1, 12866840), (2, 6433420), (4, 3216710), (5, 2573368), (7, 1838120), (8, 1608355), (10, 1286684), (14, 919060), (20, 643342), (28, 459530), (35, 367624), (40, 321671), (56, 229765), (70, 183812), (140, 91906), (280, 45953)]