1280884670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{124721}}^1$

素因数の和:124820

約数の個数: 32

約数和(自身を含む): 2514395520

約数和(自身を除く): 1233510850

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 124721, 249442, 623605, 1247210, 1621373, 3242746, 8106865, 9852959, 16213730, 19705918, 49264795, 98529590, 128088467, 256176934, 640442335, 1280884670]

約数ペア:

[(1, 1280884670), (2, 640442335), (5, 256176934), (10, 128088467), (13, 98529590), (26, 49264795), (65, 19705918), (79, 16213730), (130, 9852959), (158, 8106865), (395, 3242746), (790, 1621373), (1027, 1247210), (2054, 623605), (5135, 249442), (10270, 124721)]