157767040

素因数分解:

$2^7\times 5^1\times {\mathrm{246511}}^1$

素因数の和:246530

約数の個数: 32

約数和(自身を含む): 377163360

約数和(自身を除く): 219396320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 246511, 493022, 986044, 1232555, 1972088, 2465110, 3944176, 4930220, 7888352, 9860440, 15776704, 19720880, 31553408, 39441760, 78883520, 157767040]

約数ペア:

[(1, 157767040), (2, 78883520), (4, 39441760), (5, 31553408), (8, 19720880), (10, 15776704), (16, 9860440), (20, 7888352), (32, 4930220), (40, 3944176), (64, 2465110), (80, 1972088), (128, 1232555), (160, 986044), (320, 493022), (640, 246511)]