2021567140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{393301}}^1$

素因数の和:393567

約数の個数: 24

約数和(自身を含む): 4261820472

約数和(自身を除く): 2240253332

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 393301, 786602, 1573204, 1966505, 3933010, 7866020, 101078357, 202156714, 404313428, 505391785, 1010783570, 2021567140]

約数ペア:

[(1, 2021567140), (2, 1010783570), (4, 505391785), (5, 404313428), (10, 202156714), (20, 101078357), (257, 7866020), (514, 3933010), (1028, 1966505), (1285, 1573204), (2570, 786602), (5140, 393301)]