12222760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27779}}^1$

素因数の和:27801

約数の個数: 32

約数和(自身を含む): 30002400

約数和(自身を除く): 17779640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 27779, 55558, 111116, 138895, 222232, 277790, 305569, 555580, 611138, 1111160, 1222276, 1527845, 2444552, 3055690, 6111380, 12222760]

約数ペア:

[(1, 12222760), (2, 6111380), (4, 3055690), (5, 2444552), (8, 1527845), (10, 1222276), (11, 1111160), (20, 611138), (22, 555580), (40, 305569), (44, 277790), (55, 222232), (88, 138895), (110, 111116), (220, 55558), (440, 27779)]