39040

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1$

素因数の和:80

約数の個数: 32

約数和(自身を含む): 94860

約数和(自身を除く): 55820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 39040]

約数ペア:

[(1, 39040), (2, 19520), (4, 9760), (5, 7808), (8, 4880), (10, 3904), (16, 2440), (20, 1952), (32, 1220), (40, 976), (61, 640), (64, 610), (80, 488), (122, 320), (128, 305), (160, 244)]