2015514020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7751977}}^1$

素因数の和:7751999

約数の個数: 24

約数和(自身を含む): 4558163064

約数和(自身を除く): 2542649044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7751977, 15503954, 31007908, 38759885, 77519770, 100775701, 155039540, 201551402, 403102804, 503878505, 1007757010, 2015514020]

約数ペア:

[(1, 2015514020), (2, 1007757010), (4, 503878505), (5, 403102804), (10, 201551402), (13, 155039540), (20, 100775701), (26, 77519770), (52, 38759885), (65, 31007908), (130, 15503954), (260, 7751977)]