40420040

素因数分解:

$2^3\times 5^1\times {\mathrm{1010501}}^1$

素因数の和:1010512

約数の個数: 16

約数和(自身を含む): 90945180

約数和(自身を除く): 50525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1010501, 2021002, 4042004, 5052505, 8084008, 10105010, 20210020, 40420040]

約数ペア:

[(1, 40420040), (2, 20210020), (4, 10105010), (5, 8084008), (8, 5052505), (10, 4042004), (20, 2021002), (40, 1010501)]