28836560

素因数分解:

$2^4\times 5^1\times {\mathrm{360457}}^1$

素因数の和:360470

約数の個数: 20

約数和(自身を含む): 67045188

約数和(自身を除く): 38208628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360457, 720914, 1441828, 1802285, 2883656, 3604570, 5767312, 7209140, 14418280, 28836560]

約数ペア:

[(1, 28836560), (2, 14418280), (4, 7209140), (5, 5767312), (8, 3604570), (10, 2883656), (16, 1802285), (20, 1441828), (40, 720914), (80, 360457)]