2011285728680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1226393737}}^1$

素因数の和:1226393789

約数の個数: 32

約数和(自身を含む): 4635768329640

約数和(自身を除く): 2624482600960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1226393737, 2452787474, 4905574948, 6131968685, 9811149896, 12263937370, 24527874740, 49055749480, 50282143217, 100564286434, 201128572868, 251410716085, 402257145736, 502821432170, 1005642864340, 2011285728680]

約数ペア:

[(1, 2011285728680), (2, 1005642864340), (4, 502821432170), (5, 402257145736), (8, 251410716085), (10, 201128572868), (20, 100564286434), (40, 50282143217), (41, 49055749480), (82, 24527874740), (164, 12263937370), (205, 9811149896), (328, 6131968685), (410, 4905574948), (820, 2452787474), (1640, 1226393737)]