16420180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6173}}^1$

素因数の和:6208

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 25069100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6173, 12346, 24692, 30865, 43211, 61730, 86422, 117287, 123460, 172844, 216055, 234574, 432110, 469148, 586435, 821009, 864220, 1172870, 1642018, 2345740, 3284036, 4105045, 8210090, 16420180]

約数ペア:

[(1, 16420180), (2, 8210090), (4, 4105045), (5, 3284036), (7, 2345740), (10, 1642018), (14, 1172870), (19, 864220), (20, 821009), (28, 586435), (35, 469148), (38, 432110), (70, 234574), (76, 216055), (95, 172844), (133, 123460), (140, 117287), (190, 86422), (266, 61730), (380, 43211), (532, 30865), (665, 24692), (1330, 12346), (2660, 6173)]