40688860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20143}}^1$

素因数の和:20253

約数の個数: 24

約数和(自身を含む): 86296896

約数和(自身を除く): 45608036

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20143, 40286, 80572, 100715, 201430, 402860, 2034443, 4068886, 8137772, 10172215, 20344430, 40688860]

約数ペア:

[(1, 40688860), (2, 20344430), (4, 10172215), (5, 8137772), (10, 4068886), (20, 2034443), (101, 402860), (202, 201430), (404, 100715), (505, 80572), (1010, 40286), (2020, 20143)]