2023177720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239713}}^1$

素因数の和:239935

約数の個数: 32

約数和(自身を含む): 4573743120

約数和(自身を除く): 2550565400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 239713, 479426, 958852, 1198565, 1917704, 2397130, 4794260, 9588520, 50579443, 101158886, 202317772, 252897215, 404635544, 505794430, 1011588860, 2023177720]

約数ペア:

[(1, 2023177720), (2, 1011588860), (4, 505794430), (5, 404635544), (8, 252897215), (10, 202317772), (20, 101158886), (40, 50579443), (211, 9588520), (422, 4794260), (844, 2397130), (1055, 1917704), (1688, 1198565), (2110, 958852), (4220, 479426), (8440, 239713)]