55564520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 81604120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 293, 431, 440, 586, 862, 1172, 1465, 1724, 2155, 2344, 2930, 3223, 3448, 4310, 4741, 5860, 6446, 8620, 9482, 11720, 12892, 16115, 17240, 18964, 23705, 25784, 32230, 37928, 47410, 64460, 94820, 126283, 128920, 189640, 252566, 505132, 631415, 1010264, 1262830, 1389113, 2525660, 2778226, 5051320, 5556452, 6945565, 11112904, 13891130, 27782260, 55564520]

約数ペア:

[(1, 55564520), (2, 27782260), (4, 13891130), (5, 11112904), (8, 6945565), (10, 5556452), (11, 5051320), (20, 2778226), (22, 2525660), (40, 1389113), (44, 1262830), (55, 1010264), (88, 631415), (110, 505132), (220, 252566), (293, 189640), (431, 128920), (440, 126283), (586, 94820), (862, 64460), (1172, 47410), (1465, 37928), (1724, 32230), (2155, 25784), (2344, 23705), (2930, 18964), (3223, 17240), (3448, 16115), (4310, 12892), (4741, 11720), (5860, 9482), (6446, 8620)]