12320990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 24455520

約数和(自身を除く): 12134530

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1109, 1111, 2218, 2222, 5545, 5555, 11090, 11110, 12199, 24398, 60995, 112009, 121990, 224018, 560045, 1120090, 1232099, 2464198, 6160495, 12320990]

約数ペア:

[(1, 12320990), (2, 6160495), (5, 2464198), (10, 1232099), (11, 1120090), (22, 560045), (55, 224018), (101, 121990), (110, 112009), (202, 60995), (505, 24398), (1010, 12199), (1109, 11110), (1111, 11090), (2218, 5555), (2222, 5545)]