25880493620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9878051}}^1$

素因数の和:9878191

約数の個数: 24

約数和(自身を含む): 54763920288

約数和(自身を除く): 28883426668

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9878051, 19756102, 39512204, 49390255, 98780510, 197561020, 1294024681, 2588049362, 5176098724, 6470123405, 12940246810, 25880493620]

約数ペア:

[(1, 25880493620), (2, 12940246810), (4, 6470123405), (5, 5176098724), (10, 2588049362), (20, 1294024681), (131, 197561020), (262, 98780510), (524, 49390255), (655, 39512204), (1310, 19756102), (2620, 9878051)]