25529680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 65870784

約数和(自身を除く): 40341104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 433, 440, 536, 670, 737, 866, 880, 1072, 1340, 1474, 1732, 2165, 2680, 2948, 3464, 3685, 4330, 4763, 5360, 5896, 6928, 7370, 8660, 9526, 11792, 14740, 17320, 19052, 23815, 29011, 29480, 34640, 38104, 47630, 58022, 58960, 76208, 95260, 116044, 145055, 190520, 232088, 290110, 319121, 381040, 464176, 580220, 638242, 1160440, 1276484, 1595605, 2320880, 2552968, 3191210, 5105936, 6382420, 12764840, 25529680]

約数ペア:

[(1, 25529680), (2, 12764840), (4, 6382420), (5, 5105936), (8, 3191210), (10, 2552968), (11, 2320880), (16, 1595605), (20, 1276484), (22, 1160440), (40, 638242), (44, 580220), (55, 464176), (67, 381040), (80, 319121), (88, 290110), (110, 232088), (134, 190520), (176, 145055), (220, 116044), (268, 95260), (335, 76208), (433, 58960), (440, 58022), (536, 47630), (670, 38104), (737, 34640), (866, 29480), (880, 29011), (1072, 23815), (1340, 19052), (1474, 17320), (1732, 14740), (2165, 11792), (2680, 9526), (2948, 8660), (3464, 7370), (3685, 6928), (4330, 5896), (4763, 5360)]