90640990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19163}}^1$

素因数の和:19224

約数の個数: 32

約数和(自身を含む): 182134656

約数和(自身を除く): 91493666

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 19163, 38326, 95815, 191630, 210793, 421586, 824009, 1053965, 1648018, 2107930, 4120045, 8240090, 9064099, 18128198, 45320495, 90640990]

約数ペア:

[(1, 90640990), (2, 45320495), (5, 18128198), (10, 9064099), (11, 8240090), (22, 4120045), (43, 2107930), (55, 1648018), (86, 1053965), (110, 824009), (215, 421586), (430, 210793), (473, 191630), (946, 95815), (2365, 38326), (4730, 19163)]