2012672920

素因数分解:

$2^3\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{19009}}^1$

素因数の和:21667

約数の個数: 32

約数和(自身を含む): 4530463200

約数和(自身を除く): 2517790280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2647, 5294, 10588, 13235, 19009, 21176, 26470, 38018, 52940, 76036, 95045, 105880, 152072, 190090, 380180, 760360, 50316823, 100633646, 201267292, 251584115, 402534584, 503168230, 1006336460, 2012672920]

約数ペア:

[(1, 2012672920), (2, 1006336460), (4, 503168230), (5, 402534584), (8, 251584115), (10, 201267292), (20, 100633646), (40, 50316823), (2647, 760360), (5294, 380180), (10588, 190090), (13235, 152072), (19009, 105880), (21176, 95045), (26470, 76036), (38018, 52940)]