87584380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{336863}}^1$

素因数の和:336885

約数の個数: 24

約数和(自身を含む): 198076032

約数和(自身を除く): 110491652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 336863, 673726, 1347452, 1684315, 3368630, 4379219, 6737260, 8758438, 17516876, 21896095, 43792190, 87584380]

約数ペア:

[(1, 87584380), (2, 43792190), (4, 21896095), (5, 17516876), (10, 8758438), (13, 6737260), (20, 4379219), (26, 3368630), (52, 1684315), (65, 1347452), (130, 673726), (260, 336863)]