87207850

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{17981}}^1$

素因数の和:18090

約数の個数: 24

約数和(自身を含む): 163887948

約数和(自身を除く): 76680098

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4850, 17981, 35962, 89905, 179810, 449525, 899050, 1744157, 3488314, 8720785, 17441570, 43603925, 87207850]

約数ペア:

[(1, 87207850), (2, 43603925), (5, 17441570), (10, 8720785), (25, 3488314), (50, 1744157), (97, 899050), (194, 449525), (485, 179810), (970, 89905), (2425, 35962), (4850, 17981)]