40384060

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3967}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 84994560

約数和(自身を除く): 44610500

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 3967, 5090, 7934, 10180, 15868, 19835, 39670, 79340, 2019203, 4038406, 8076812, 10096015, 20192030, 40384060]

約数ペア:

[(1, 40384060), (2, 20192030), (4, 10096015), (5, 8076812), (10, 4038406), (20, 2019203), (509, 79340), (1018, 39670), (2036, 19835), (2545, 15868), (3967, 10180), (5090, 7934)]