25538940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20269}}^1$

素因数の和:20291

約数の個数: 72

約数和(自身を含む): 88539360

約数和(自身を除く): 63000420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20269, 40538, 60807, 81076, 101345, 121614, 141883, 182421, 202690, 243228, 283766, 304035, 364842, 405380, 425649, 567532, 608070, 709415, 729684, 851298, 912105, 1216140, 1276947, 1418830, 1702596, 1824210, 2128245, 2553894, 2837660, 3648420, 4256490, 5107788, 6384735, 8512980, 12769470, 25538940]

約数ペア:

[(1, 25538940), (2, 12769470), (3, 8512980), (4, 6384735), (5, 5107788), (6, 4256490), (7, 3648420), (9, 2837660), (10, 2553894), (12, 2128245), (14, 1824210), (15, 1702596), (18, 1418830), (20, 1276947), (21, 1216140), (28, 912105), (30, 851298), (35, 729684), (36, 709415), (42, 608070), (45, 567532), (60, 425649), (63, 405380), (70, 364842), (84, 304035), (90, 283766), (105, 243228), (126, 202690), (140, 182421), (180, 141883), (210, 121614), (252, 101345), (315, 81076), (420, 60807), (630, 40538), (1260, 20269)]