2080853780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{41801}}^1$

素因数の和:41960

約数の個数: 48

約数和(自身を含む): 4635005760

約数和(自身を除く): 2554151980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 12445, 24890, 41801, 49780, 83602, 167204, 209005, 418010, 794219, 836020, 1588438, 3176876, 3971095, 5475931, 7942190, 10951862, 15884380, 21903724, 27379655, 54759310, 104042689, 109518620, 208085378, 416170756, 520213445, 1040426890, 2080853780]

約数ペア:

[(1, 2080853780), (2, 1040426890), (4, 520213445), (5, 416170756), (10, 208085378), (19, 109518620), (20, 104042689), (38, 54759310), (76, 27379655), (95, 21903724), (131, 15884380), (190, 10951862), (262, 7942190), (380, 5475931), (524, 3971095), (655, 3176876), (1310, 1588438), (2489, 836020), (2620, 794219), (4978, 418010), (9956, 209005), (12445, 167204), (24890, 83602), (41801, 49780)]