13689940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5657}}^1$

素因数の和:5688

約数の個数: 36

約数和(自身を含む): 31605588

約数和(自身を除く): 17915648

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5657, 11314, 22628, 28285, 56570, 62227, 113140, 124454, 248908, 311135, 622270, 684497, 1244540, 1368994, 2737988, 3422485, 6844970, 13689940]

約数ペア:

[(1, 13689940), (2, 6844970), (4, 3422485), (5, 2737988), (10, 1368994), (11, 1244540), (20, 684497), (22, 622270), (44, 311135), (55, 248908), (110, 124454), (121, 113140), (220, 62227), (242, 56570), (484, 28285), (605, 22628), (1210, 11314), (2420, 5657)]