1048777040

素因数分解:

$2^4\times 5^1\times {\mathrm{13109713}}^1$

素因数の和:13109726

約数の個数: 20

約数和(自身を含む): 2438406804

約数和(自身を除く): 1389629764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13109713, 26219426, 52438852, 65548565, 104877704, 131097130, 209755408, 262194260, 524388520, 1048777040]

約数ペア:

[(1, 1048777040), (2, 524388520), (4, 262194260), (5, 209755408), (8, 131097130), (10, 104877704), (16, 65548565), (20, 52438852), (40, 26219426), (80, 13109713)]