65296640

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 157960320

約数和(自身を除く): 92663680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 367, 556, 640, 695, 734, 1112, 1280, 1390, 1468, 1835, 2224, 2780, 2936, 3670, 4448, 5560, 5872, 7340, 8896, 11120, 11744, 14680, 17792, 22240, 23488, 29360, 35584, 44480, 46976, 51013, 58720, 88960, 93952, 102026, 117440, 177920, 204052, 234880, 255065, 408104, 469760, 510130, 816208, 1020260, 1632416, 2040520, 3264832, 4081040, 6529664, 8162080, 13059328, 16324160, 32648320, 65296640]

約数ペア:

[(1, 65296640), (2, 32648320), (4, 16324160), (5, 13059328), (8, 8162080), (10, 6529664), (16, 4081040), (20, 3264832), (32, 2040520), (40, 1632416), (64, 1020260), (80, 816208), (128, 510130), (139, 469760), (160, 408104), (256, 255065), (278, 234880), (320, 204052), (367, 177920), (556, 117440), (640, 102026), (695, 93952), (734, 88960), (1112, 58720), (1280, 51013), (1390, 46976), (1468, 44480), (1835, 35584), (2224, 29360), (2780, 23488), (2936, 22240), (3670, 17792), (4448, 14680), (5560, 11744), (5872, 11120), (7340, 8896)]