77617040

素因数分解:

$2^4\times 5^1\times {\mathrm{970213}}^1$

素因数の和:970226

約数の個数: 20

約数和(自身を含む): 180459804

約数和(自身を除く): 102842764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 970213, 1940426, 3880852, 4851065, 7761704, 9702130, 15523408, 19404260, 38808520, 77617040]

約数ペア:

[(1, 77617040), (2, 38808520), (4, 19404260), (5, 15523408), (8, 9702130), (10, 7761704), (16, 4851065), (20, 3880852), (40, 1940426), (80, 970213)]