7815040

素因数分解:

$2^7\times 5^1\times {\mathrm{12211}}^1$

素因数の和:12230

約数の個数: 32

約数和(自身を含む): 18684360

約数和(自身を除く): 10869320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12211, 24422, 48844, 61055, 97688, 122110, 195376, 244220, 390752, 488440, 781504, 976880, 1563008, 1953760, 3907520, 7815040]

約数ペア:

[(1, 7815040), (2, 3907520), (4, 1953760), (5, 1563008), (8, 976880), (10, 781504), (16, 488440), (20, 390752), (32, 244220), (40, 195376), (64, 122110), (80, 97688), (128, 61055), (160, 48844), (320, 24422), (640, 12211)]