2009713040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{160009}}^1$

素因数の和:160179

約数の個数: 40

約数和(自身を含む): 4702373880

約数和(自身を除く): 2692660840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 160009, 320018, 640036, 800045, 1280072, 1600090, 2560144, 3200180, 6400360, 12800720, 25121413, 50242826, 100485652, 125607065, 200971304, 251214130, 401942608, 502428260, 1004856520, 2009713040]

約数ペア:

[(1, 2009713040), (2, 1004856520), (4, 502428260), (5, 401942608), (8, 251214130), (10, 200971304), (16, 125607065), (20, 100485652), (40, 50242826), (80, 25121413), (157, 12800720), (314, 6400360), (628, 3200180), (785, 2560144), (1256, 1600090), (1570, 1280072), (2512, 800045), (3140, 640036), (6280, 320018), (12560, 160009)]