1405960049540

素因数分解:

$2^2\times 5^1\times {\mathrm{97081}}^1\times {\mathrm{724117}}^1$

素因数の和:821207

約数の個数: 24

約数和(自身を含む): 2952550594392

約数和(自身を除く): 1546590544852

約数列:

[1, 2, 4, 5, 10, 20, 97081, 194162, 388324, 485405, 724117, 970810, 1448234, 1941620, 2896468, 3620585, 7241170, 14482340, 70298002477, 140596004954, 281192009908, 351490012385, 702980024770, 1405960049540]

約数ペア:

[(1, 1405960049540), (2, 702980024770), (4, 351490012385), (5, 281192009908), (10, 140596004954), (20, 70298002477), (97081, 14482340), (194162, 7241170), (388324, 3620585), (485405, 2896468), (724117, 1941620), (970810, 1448234)]