28113140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11617}}^1$

素因数の和:11648

約数の個数: 36

約数和(自身を含む): 64898148

約数和(自身を除く): 36785008

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11617, 23234, 46468, 58085, 116170, 127787, 232340, 255574, 511148, 638935, 1277870, 1405657, 2555740, 2811314, 5622628, 7028285, 14056570, 28113140]

約数ペア:

[(1, 28113140), (2, 14056570), (4, 7028285), (5, 5622628), (10, 2811314), (11, 2555740), (20, 1405657), (22, 1277870), (44, 638935), (55, 511148), (110, 255574), (121, 232340), (220, 127787), (242, 116170), (484, 58085), (605, 46468), (1210, 23234), (2420, 11617)]