5640040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{20143}}^1$

素因数の和:20161

約数の個数: 32

約数和(自身を含む): 14503680

約数和(自身を除く): 8863640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 402860, 564004, 705005, 805720, 1128008, 1410010, 2820020, 5640040]

約数ペア:

[(1, 5640040), (2, 2820020), (4, 1410010), (5, 1128008), (7, 805720), (8, 705005), (10, 564004), (14, 402860), (20, 282002), (28, 201430), (35, 161144), (40, 141001), (56, 100715), (70, 80572), (140, 40286), (280, 20143)]