80366620

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8389}}^1$

素因数の和:8877

約数の個数: 24

約数和(自身を含む): 169142400

約数和(自身を除く): 88775780

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 8389, 9580, 16778, 33556, 41945, 83890, 167780, 4018331, 8036662, 16073324, 20091655, 40183310, 80366620]

約数ペア:

[(1, 80366620), (2, 40183310), (4, 20091655), (5, 16073324), (10, 8036662), (20, 4018331), (479, 167780), (958, 83890), (1916, 41945), (2395, 33556), (4790, 16778), (8389, 9580)]