51550420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{463}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 114589440

約数和(自身を除く): 63039020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 293, 380, 463, 586, 926, 1172, 1465, 1852, 2315, 2930, 4630, 5567, 5860, 8797, 9260, 11134, 17594, 22268, 27835, 35188, 43985, 55670, 87970, 111340, 135659, 175940, 271318, 542636, 678295, 1356590, 2577521, 2713180, 5155042, 10310084, 12887605, 25775210, 51550420]

約数ペア:

[(1, 51550420), (2, 25775210), (4, 12887605), (5, 10310084), (10, 5155042), (19, 2713180), (20, 2577521), (38, 1356590), (76, 678295), (95, 542636), (190, 271318), (293, 175940), (380, 135659), (463, 111340), (586, 87970), (926, 55670), (1172, 43985), (1465, 35188), (1852, 27835), (2315, 22268), (2930, 17594), (4630, 11134), (5567, 9260), (5860, 8797)]