890753825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{4159}}^1$

素因数の和:4841

約数の個数: 24

約数和(自身を含む): 1191590400

約数和(自身を除く): 300836575

約数列:

[1, 5, 13, 25, 65, 325, 659, 3295, 4159, 8567, 16475, 20795, 42835, 54067, 103975, 214175, 270335, 1351675, 2740781, 13703905, 35630153, 68519525, 178150765, 890753825]

約数ペア:

[(1, 890753825), (5, 178150765), (13, 68519525), (25, 35630153), (65, 13703905), (325, 2740781), (659, 1351675), (3295, 270335), (4159, 214175), (8567, 103975), (16475, 54067), (20795, 42835)]