12764840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 31872960

約数和(自身を除く): 19108120

約数列:

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

約数ペア:

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