142737040

素因数分解:

$2^4\times 5^1\times {\mathrm{1784213}}^1$

素因数の和:1784226

約数の個数: 20

約数和(自身を含む): 331863804

約数和(自身を除く): 189126764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1784213, 3568426, 7136852, 8921065, 14273704, 17842130, 28547408, 35684260, 71368520, 142737040]

約数ペア:

[(1, 142737040), (2, 71368520), (4, 35684260), (5, 28547408), (8, 17842130), (10, 14273704), (16, 8921065), (20, 7136852), (40, 3568426), (80, 1784213)]