2011211560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20201}}^1$

素因数の和:20362

約数の個数: 64

約数和(自身を含む): 4799995200

約数和(自身を除く): 2788783640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 1048, 1310, 2489, 2620, 4978, 5240, 9956, 12445, 19912, 20201, 24890, 40402, 49780, 80804, 99560, 101005, 161608, 202010, 383819, 404020, 767638, 808040, 1535276, 1919095, 2646331, 3070552, 3838190, 5292662, 7676380, 10585324, 13231655, 15352760, 21170648, 26463310, 50280289, 52926620, 100560578, 105853240, 201121156, 251401445, 402242312, 502802890, 1005605780, 2011211560]

約数ペア:

[(1, 2011211560), (2, 1005605780), (4, 502802890), (5, 402242312), (8, 251401445), (10, 201121156), (19, 105853240), (20, 100560578), (38, 52926620), (40, 50280289), (76, 26463310), (95, 21170648), (131, 15352760), (152, 13231655), (190, 10585324), (262, 7676380), (380, 5292662), (524, 3838190), (655, 3070552), (760, 2646331), (1048, 1919095), (1310, 1535276), (2489, 808040), (2620, 767638), (4978, 404020), (5240, 383819), (9956, 202010), (12445, 161608), (19912, 101005), (20201, 99560), (24890, 80804), (40402, 49780)]