65741440

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 158508000

約数和(自身を除く): 92766560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 739, 1112, 1390, 1478, 2224, 2780, 2956, 3695, 4448, 5560, 5912, 7390, 8896, 11120, 11824, 14780, 17792, 22240, 23648, 29560, 44480, 47296, 59120, 88960, 94592, 102721, 118240, 205442, 236480, 410884, 472960, 513605, 821768, 1027210, 1643536, 2054420, 3287072, 4108840, 6574144, 8217680, 13148288, 16435360, 32870720, 65741440]

約数ペア:

[(1, 65741440), (2, 32870720), (4, 16435360), (5, 13148288), (8, 8217680), (10, 6574144), (16, 4108840), (20, 3287072), (32, 2054420), (40, 1643536), (64, 1027210), (80, 821768), (128, 513605), (139, 472960), (160, 410884), (278, 236480), (320, 205442), (556, 118240), (640, 102721), (695, 94592), (739, 88960), (1112, 59120), (1390, 47296), (1478, 44480), (2224, 29560), (2780, 23648), (2956, 22240), (3695, 17792), (4448, 14780), (5560, 11824), (5912, 11120), (7390, 8896)]