13478140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51839}}^1$

素因数の和:51861

約数の個数: 24

約数和(自身を含む): 30481920

約数和(自身を除く): 17003780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51839, 103678, 207356, 259195, 518390, 673907, 1036780, 1347814, 2695628, 3369535, 6739070, 13478140]

約数ペア:

[(1, 13478140), (2, 6739070), (4, 3369535), (5, 2695628), (10, 1347814), (13, 1036780), (20, 673907), (26, 518390), (52, 259195), (65, 207356), (130, 103678), (260, 51839)]