200505040

素因数分解:

$2^4\times 5^1\times {\mathrm{2506313}}^1$

素因数の和:2506326

約数の個数: 20

約数和(自身を含む): 466174404

約数和(自身を除く): 265669364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2506313, 5012626, 10025252, 12531565, 20050504, 25063130, 40101008, 50126260, 100252520, 200505040]

約数ペア:

[(1, 200505040), (2, 100252520), (4, 50126260), (5, 40101008), (8, 25063130), (10, 20050504), (16, 12531565), (20, 10025252), (40, 5012626), (80, 2506313)]