51016420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28031}}^1$

素因数の和:28060

約数の個数: 48

約数和(自身を含む): 131862528

約数和(自身を除く): 80846108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28031, 56062, 112124, 140155, 196217, 280310, 364403, 392434, 560620, 728806, 784868, 981085, 1457612, 1822015, 1962170, 2550821, 3644030, 3924340, 5101642, 7288060, 10203284, 12754105, 25508210, 51016420]

約数ペア:

[(1, 51016420), (2, 25508210), (4, 12754105), (5, 10203284), (7, 7288060), (10, 5101642), (13, 3924340), (14, 3644030), (20, 2550821), (26, 1962170), (28, 1822015), (35, 1457612), (52, 981085), (65, 784868), (70, 728806), (91, 560620), (130, 392434), (140, 364403), (182, 280310), (260, 196217), (364, 140155), (455, 112124), (910, 56062), (1820, 28031)]