12121780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5009}}^1$

素因数の和:5040

約数の個数: 36

約数和(自身を含む): 27985860

約数和(自身を除く): 15864080

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5009, 10018, 20036, 25045, 50090, 55099, 100180, 110198, 220396, 275495, 550990, 606089, 1101980, 1212178, 2424356, 3030445, 6060890, 12121780]

約数ペア:

[(1, 12121780), (2, 6060890), (4, 3030445), (5, 2424356), (10, 1212178), (11, 1101980), (20, 606089), (22, 550990), (44, 275495), (55, 220396), (110, 110198), (121, 100180), (220, 55099), (242, 50090), (484, 25045), (605, 20036), (1210, 10018), (2420, 5009)]