61247780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25309}}^1$

素因数の和:25340

約数の個数: 36

約数和(自身を含む): 141381660

約数和(自身を除く): 80133880

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 25309, 50618, 101236, 126545, 253090, 278399, 506180, 556798, 1113596, 1391995, 2783990, 3062389, 5567980, 6124778, 12249556, 15311945, 30623890, 61247780]

約数ペア:

[(1, 61247780), (2, 30623890), (4, 15311945), (5, 12249556), (10, 6124778), (11, 5567980), (20, 3062389), (22, 2783990), (44, 1391995), (55, 1113596), (110, 556798), (121, 506180), (220, 278399), (242, 253090), (484, 126545), (605, 101236), (1210, 50618), (2420, 25309)]