27803380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11489}}^1$

素因数の和:11520

約数の個数: 36

約数和(自身を含む): 64183140

約数和(自身を除く): 36379760

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11489, 22978, 45956, 57445, 114890, 126379, 229780, 252758, 505516, 631895, 1263790, 1390169, 2527580, 2780338, 5560676, 6950845, 13901690, 27803380]

約数ペア:

[(1, 27803380), (2, 13901690), (4, 6950845), (5, 5560676), (10, 2780338), (11, 2527580), (20, 1390169), (22, 1263790), (44, 631895), (55, 505516), (110, 252758), (121, 229780), (220, 126379), (242, 114890), (484, 57445), (605, 45956), (1210, 22978), (2420, 11489)]