15040420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3779}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 31752000

約数和(自身を除く): 16711580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3779, 3980, 7558, 15116, 18895, 37790, 75580, 752021, 1504042, 3008084, 3760105, 7520210, 15040420]

約数ペア:

[(1, 15040420), (2, 7520210), (4, 3760105), (5, 3008084), (10, 1504042), (20, 752021), (199, 75580), (398, 37790), (796, 18895), (995, 15116), (1990, 7558), (3779, 3980)]