79719040

素因数分解:

$2^7\times 5^1\times {\mathrm{124561}}^1$

素因数の和:124580

約数の個数: 32

約数和(自身を含む): 190579860

約数和(自身を除く): 110860820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 124561, 249122, 498244, 622805, 996488, 1245610, 1992976, 2491220, 3985952, 4982440, 7971904, 9964880, 15943808, 19929760, 39859520, 79719040]

約数ペア:

[(1, 79719040), (2, 39859520), (4, 19929760), (5, 15943808), (8, 9964880), (10, 7971904), (16, 4982440), (20, 3985952), (32, 2491220), (40, 1992976), (64, 1245610), (80, 996488), (128, 622805), (160, 498244), (320, 249122), (640, 124561)]