51339520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 129507840

約数和(自身を除く): 78168320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2111, 2432, 3040, 4222, 4864, 6080, 8444, 10555, 12160, 16888, 21110, 24320, 33776, 40109, 42220, 67552, 80218, 84440, 135104, 160436, 168880, 200545, 270208, 320872, 337760, 401090, 540416, 641744, 675520, 802180, 1283488, 1351040, 1604360, 2566976, 2702080, 3208720, 5133952, 6417440, 10267904, 12834880, 25669760, 51339520]

約数ペア:

[(1, 51339520), (2, 25669760), (4, 12834880), (5, 10267904), (8, 6417440), (10, 5133952), (16, 3208720), (19, 2702080), (20, 2566976), (32, 1604360), (38, 1351040), (40, 1283488), (64, 802180), (76, 675520), (80, 641744), (95, 540416), (128, 401090), (152, 337760), (160, 320872), (190, 270208), (256, 200545), (304, 168880), (320, 160436), (380, 135104), (608, 84440), (640, 80218), (760, 67552), (1216, 42220), (1280, 40109), (1520, 33776), (2111, 24320), (2432, 21110), (3040, 16888), (4222, 12160), (4864, 10555), (6080, 8444)]