9664820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 22353408

約数和(自身を除く): 12688588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 223, 394, 446, 788, 892, 985, 1115, 1970, 2167, 2230, 2453, 3940, 4334, 4460, 4906, 8668, 9812, 10835, 12265, 21670, 24530, 43340, 43931, 49060, 87862, 175724, 219655, 439310, 483241, 878620, 966482, 1932964, 2416205, 4832410, 9664820]

約数ペア:

[(1, 9664820), (2, 4832410), (4, 2416205), (5, 1932964), (10, 966482), (11, 878620), (20, 483241), (22, 439310), (44, 219655), (55, 175724), (110, 87862), (197, 49060), (220, 43931), (223, 43340), (394, 24530), (446, 21670), (788, 12265), (892, 10835), (985, 9812), (1115, 8668), (1970, 4906), (2167, 4460), (2230, 4334), (2453, 3940)]