8759440

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 20498688

約数和(自身を除く): 11739248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 491, 892, 982, 1115, 1784, 1964, 2230, 2455, 3568, 3928, 4460, 4910, 7856, 8920, 9820, 17840, 19640, 39280, 109493, 218986, 437972, 547465, 875944, 1094930, 1751888, 2189860, 4379720, 8759440]

約数ペア:

[(1, 8759440), (2, 4379720), (4, 2189860), (5, 1751888), (8, 1094930), (10, 875944), (16, 547465), (20, 437972), (40, 218986), (80, 109493), (223, 39280), (446, 19640), (491, 17840), (892, 9820), (982, 8920), (1115, 7856), (1784, 4910), (1964, 4460), (2230, 3928), (2455, 3568)]