13179980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17301940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 431, 556, 695, 862, 1390, 1529, 1724, 2155, 2780, 3058, 4310, 4741, 6116, 7645, 8620, 9482, 15290, 18964, 23705, 30580, 47410, 59909, 94820, 119818, 239636, 299545, 599090, 658999, 1198180, 1317998, 2635996, 3294995, 6589990, 13179980]

約数ペア:

[(1, 13179980), (2, 6589990), (4, 3294995), (5, 2635996), (10, 1317998), (11, 1198180), (20, 658999), (22, 599090), (44, 299545), (55, 239636), (110, 119818), (139, 94820), (220, 59909), (278, 47410), (431, 30580), (556, 23705), (695, 18964), (862, 15290), (1390, 9482), (1529, 8620), (1724, 7645), (2155, 6116), (2780, 4741), (3058, 4310)]