22087640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2803}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 49967280

約数和(自身を除く): 27879640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2803, 3940, 5606, 7880, 11212, 14015, 22424, 28030, 56060, 112120, 552191, 1104382, 2208764, 2760955, 4417528, 5521910, 11043820, 22087640]

約数ペア:

[(1, 22087640), (2, 11043820), (4, 5521910), (5, 4417528), (8, 2760955), (10, 2208764), (20, 1104382), (40, 552191), (197, 112120), (394, 56060), (788, 28030), (985, 22424), (1576, 14015), (1970, 11212), (2803, 7880), (3940, 5606)]