81427607060

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18257311}}^1$

素因数の和:18257543

約数の個数: 24

約数和(自身を含む): 171764791296

約数和(自身を除く): 90337184236

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 18257311, 36514622, 73029244, 91286555, 182573110, 365146220, 4071380353, 8142760706, 16285521412, 20356901765, 40713803530, 81427607060]

約数ペア:

[(1, 81427607060), (2, 40713803530), (4, 20356901765), (5, 16285521412), (10, 8142760706), (20, 4071380353), (223, 365146220), (446, 182573110), (892, 91286555), (1115, 73029244), (2230, 36514622), (4460, 18257311)]