25706940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 83241984

約数和(自身を除く): 57535044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 631, 679, 970, 1164, 1262, 1358, 1455, 1893, 1940, 2037, 2524, 2716, 2910, 3155, 3395, 3786, 4074, 4417, 5820, 6310, 6790, 7572, 8148, 8834, 9465, 10185, 12620, 13251, 13580, 17668, 18930, 20370, 22085, 26502, 37860, 40740, 44170, 53004, 61207, 66255, 88340, 122414, 132510, 183621, 244828, 265020, 306035, 367242, 428449, 612070, 734484, 856898, 918105, 1224140, 1285347, 1713796, 1836210, 2142245, 2570694, 3672420, 4284490, 5141388, 6426735, 8568980, 12853470, 25706940]

約数ペア:

[(1, 25706940), (2, 12853470), (3, 8568980), (4, 6426735), (5, 5141388), (6, 4284490), (7, 3672420), (10, 2570694), (12, 2142245), (14, 1836210), (15, 1713796), (20, 1285347), (21, 1224140), (28, 918105), (30, 856898), (35, 734484), (42, 612070), (60, 428449), (70, 367242), (84, 306035), (97, 265020), (105, 244828), (140, 183621), (194, 132510), (210, 122414), (291, 88340), (388, 66255), (420, 61207), (485, 53004), (582, 44170), (631, 40740), (679, 37860), (970, 26502), (1164, 22085), (1262, 20370), (1358, 18930), (1455, 17668), (1893, 13580), (1940, 13251), (2037, 12620), (2524, 10185), (2716, 9465), (2910, 8834), (3155, 8148), (3395, 7572), (3786, 6790), (4074, 6310), (4417, 5820)]