2019294080

素因数分解:

$2^7\times 5^1\times {\mathrm{3155147}}^1$

素因数の和:3155166

約数の個数: 32

約数和(自身を含む): 4827376440

約数和(自身を除く): 2808082360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3155147, 6310294, 12620588, 15775735, 25241176, 31551470, 50482352, 63102940, 100964704, 126205880, 201929408, 252411760, 403858816, 504823520, 1009647040, 2019294080]

約数ペア:

[(1, 2019294080), (2, 1009647040), (4, 504823520), (5, 403858816), (8, 252411760), (10, 201929408), (16, 126205880), (20, 100964704), (32, 63102940), (40, 50482352), (64, 31551470), (80, 25241176), (128, 15775735), (160, 12620588), (320, 6310294), (640, 3155147)]