84016280

素因数分解:

$2^3\times 5^1\times {\mathrm{2100407}}^1$

素因数の和:2100418

約数の個数: 16

約数和(自身を含む): 189036720

約数和(自身を除く): 105020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100407, 4200814, 8401628, 10502035, 16803256, 21004070, 42008140, 84016280]

約数ペア:

[(1, 84016280), (2, 42008140), (4, 21004070), (5, 16803256), (8, 10502035), (10, 8401628), (20, 4200814), (40, 2100407)]