51867520

素因数分解:

$2^7\times 5^1\times {\mathrm{81043}}^1$

素因数の和:81062

約数の個数: 32

約数和(自身を含む): 123997320

約数和(自身を除く): 72129800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 81043, 162086, 324172, 405215, 648344, 810430, 1296688, 1620860, 2593376, 3241720, 5186752, 6483440, 10373504, 12966880, 25933760, 51867520]

約数ペア:

[(1, 51867520), (2, 25933760), (4, 12966880), (5, 10373504), (8, 6483440), (10, 5186752), (16, 3241720), (20, 2593376), (32, 1620860), (40, 1296688), (64, 810430), (80, 648344), (128, 405215), (160, 324172), (320, 162086), (640, 81043)]