80887928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 172800000

約数和(自身を除く): 91912072

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 149, 199, 248, 298, 341, 398, 596, 682, 796, 1192, 1364, 1592, 1639, 2189, 2728, 3278, 4378, 4619, 6169, 6556, 8756, 9238, 12338, 13112, 17512, 18476, 24676, 29651, 36952, 49352, 50809, 59302, 67859, 101618, 118604, 135718, 203236, 237208, 271436, 326161, 406472, 542872, 652322, 919181, 1304644, 1838362, 2609288, 3676724, 7353448, 10110991, 20221982, 40443964, 80887928]

約数ペア:

[(1, 80887928), (2, 40443964), (4, 20221982), (8, 10110991), (11, 7353448), (22, 3676724), (31, 2609288), (44, 1838362), (62, 1304644), (88, 919181), (124, 652322), (149, 542872), (199, 406472), (248, 326161), (298, 271436), (341, 237208), (398, 203236), (596, 135718), (682, 118604), (796, 101618), (1192, 67859), (1364, 59302), (1592, 50809), (1639, 49352), (2189, 36952), (2728, 29651), (3278, 24676), (4378, 18476), (4619, 17512), (6169, 13112), (6556, 12338), (8756, 9238)]