5628740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21649}}^1$

素因数の和:21671

約数の個数: 24

約数和(自身を含む): 12730200

約数和(自身を除く): 7101460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21649, 43298, 86596, 108245, 216490, 281437, 432980, 562874, 1125748, 1407185, 2814370, 5628740]

約数ペア:

[(1, 5628740), (2, 2814370), (4, 1407185), (5, 1125748), (10, 562874), (13, 432980), (20, 281437), (26, 216490), (52, 108245), (65, 86596), (130, 43298), (260, 21649)]