28437040

素因数分解:

$2^4\times 5^1\times {\mathrm{355463}}^1$

素因数の和:355476

約数の個数: 20

約数和(自身を含む): 66116304

約数和(自身を除く): 37679264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355463, 710926, 1421852, 1777315, 2843704, 3554630, 5687408, 7109260, 14218520, 28437040]

約数ペア:

[(1, 28437040), (2, 14218520), (4, 7109260), (5, 5687408), (8, 3554630), (10, 2843704), (16, 1777315), (20, 1421852), (40, 710926), (80, 355463)]