64869520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27961}}^1$

素因数の和:28003

約数の個数: 40

約数和(自身を含む): 156027960

約数和(自身を除く): 91158440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27961, 55922, 111844, 139805, 223688, 279610, 447376, 559220, 810869, 1118440, 1621738, 2236880, 3243476, 4054345, 6486952, 8108690, 12973904, 16217380, 32434760, 64869520]

約数ペア:

[(1, 64869520), (2, 32434760), (4, 16217380), (5, 12973904), (8, 8108690), (10, 6486952), (16, 4054345), (20, 3243476), (29, 2236880), (40, 1621738), (58, 1118440), (80, 810869), (116, 559220), (145, 447376), (232, 279610), (290, 223688), (464, 139805), (580, 111844), (1160, 55922), (2320, 27961)]