87538180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{65327}}^1$

素因数の和:65403

約数の個数: 24

約数和(自身を含む): 186576768

約数和(自身を除く): 99038588

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 65327, 130654, 261308, 326635, 653270, 1306540, 4376909, 8753818, 17507636, 21884545, 43769090, 87538180]

約数ペア:

[(1, 87538180), (2, 43769090), (4, 21884545), (5, 17507636), (10, 8753818), (20, 4376909), (67, 1306540), (134, 653270), (268, 326635), (335, 261308), (670, 130654), (1340, 65327)]