8750140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{62501}}^1$

素因数の和:62517

約数の個数: 24

約数和(自身を含む): 21000672

約数和(自身を除く): 12250532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 62501, 125002, 250004, 312505, 437507, 625010, 875014, 1250020, 1750028, 2187535, 4375070, 8750140]

約数ペア:

[(1, 8750140), (2, 4375070), (4, 2187535), (5, 1750028), (7, 1250020), (10, 875014), (14, 625010), (20, 437507), (28, 312505), (35, 250004), (70, 125002), (140, 62501)]