89788670

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 164324160

約数和(自身を除く): 74535490

約数列:

[1, 2, 5, 10, 113, 181, 226, 362, 439, 565, 878, 905, 1130, 1810, 2195, 4390, 20453, 40906, 49607, 79459, 99214, 102265, 158918, 204530, 248035, 397295, 496070, 794590, 8978867, 17957734, 44894335, 89788670]

約数ペア:

[(1, 89788670), (2, 44894335), (5, 17957734), (10, 8978867), (113, 794590), (181, 496070), (226, 397295), (362, 248035), (439, 204530), (565, 158918), (878, 102265), (905, 99214), (1130, 79459), (1810, 49607), (2195, 40906), (4390, 20453)]