5027780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 11309760

約数和(自身を除く): 6281980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 131, 190, 202, 262, 380, 404, 505, 524, 655, 1010, 1310, 1919, 2020, 2489, 2620, 3838, 4978, 7676, 9595, 9956, 12445, 13231, 19190, 24890, 26462, 38380, 49780, 52924, 66155, 132310, 251389, 264620, 502778, 1005556, 1256945, 2513890, 5027780]

約数ペア:

[(1, 5027780), (2, 2513890), (4, 1256945), (5, 1005556), (10, 502778), (19, 264620), (20, 251389), (38, 132310), (76, 66155), (95, 52924), (101, 49780), (131, 38380), (190, 26462), (202, 24890), (262, 19190), (380, 13231), (404, 12445), (505, 9956), (524, 9595), (655, 7676), (1010, 4978), (1310, 3838), (1919, 2620), (2020, 2489)]