51128020

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{1619}}^1$

素因数の和:3207

約数の個数: 24

約数和(自身を含む): 107503200

約数和(自身を除く): 56375180

約数列:

[1, 2, 4, 5, 10, 20, 1579, 1619, 3158, 3238, 6316, 6476, 7895, 8095, 15790, 16190, 31580, 32380, 2556401, 5112802, 10225604, 12782005, 25564010, 51128020]

約数ペア:

[(1, 51128020), (2, 25564010), (4, 12782005), (5, 10225604), (10, 5112802), (20, 2556401), (1579, 32380), (1619, 31580), (3158, 16190), (3238, 15790), (6316, 8095), (6476, 7895)]