27960140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3522

約数の個数: 48

約数和(自身を含む): 65291520

約数和(自身を除く): 37331380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3469, 4030, 6938, 8060, 13876, 17345, 34690, 45097, 69380, 90194, 107539, 180388, 215078, 225485, 430156, 450970, 537695, 901940, 1075390, 1398007, 2150780, 2796014, 5592028, 6990035, 13980070, 27960140]

約数ペア:

[(1, 27960140), (2, 13980070), (4, 6990035), (5, 5592028), (10, 2796014), (13, 2150780), (20, 1398007), (26, 1075390), (31, 901940), (52, 537695), (62, 450970), (65, 430156), (124, 225485), (130, 215078), (155, 180388), (260, 107539), (310, 90194), (403, 69380), (620, 45097), (806, 34690), (1612, 17345), (2015, 13876), (3469, 8060), (4030, 6938)]