2019420214960

素因数分解:

$2^4\times 5^1\times {\mathrm{12457}}^1\times {\mathrm{2026391}}^1$

素因数の和:2038861

約数の個数: 40

約数和(自身を含む): 4695531225696

約数和(自身を除く): 2676111010736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12457, 24914, 49828, 62285, 99656, 124570, 199312, 249140, 498280, 996560, 2026391, 4052782, 8105564, 10131955, 16211128, 20263910, 32422256, 40527820, 81055640, 162111280, 25242752687, 50485505374, 100971010748, 126213763435, 201942021496, 252427526870, 403884042992, 504855053740, 1009710107480, 2019420214960]

約数ペア:

[(1, 2019420214960), (2, 1009710107480), (4, 504855053740), (5, 403884042992), (8, 252427526870), (10, 201942021496), (16, 126213763435), (20, 100971010748), (40, 50485505374), (80, 25242752687), (12457, 162111280), (24914, 81055640), (49828, 40527820), (62285, 32422256), (99656, 20263910), (124570, 16211128), (199312, 10131955), (249140, 8105564), (498280, 4052782), (996560, 2026391)]