79770140

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7993}}^1$

素因数の和:8501

約数の個数: 24

約数和(自身を含む): 167874000

約数和(自身を除く): 88103860

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 7993, 9980, 15986, 31972, 39965, 79930, 159860, 3988507, 7977014, 15954028, 19942535, 39885070, 79770140]

約数ペア:

[(1, 79770140), (2, 39885070), (4, 19942535), (5, 15954028), (10, 7977014), (20, 3988507), (499, 159860), (998, 79930), (1996, 39965), (2495, 31972), (4990, 15986), (7993, 9980)]