338769280

素因数分解:

$2^7\times 5^1\times {\mathrm{529327}}^1$

素因数の和:529346

約数の個数: 32

約数和(自身を含む): 809871840

約数和(自身を除く): 471102560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 529327, 1058654, 2117308, 2646635, 4234616, 5293270, 8469232, 10586540, 16938464, 21173080, 33876928, 42346160, 67753856, 84692320, 169384640, 338769280]

約数ペア:

[(1, 338769280), (2, 169384640), (4, 84692320), (5, 67753856), (8, 42346160), (10, 33876928), (16, 21173080), (20, 16938464), (32, 10586540), (40, 8469232), (64, 5293270), (80, 4234616), (128, 2646635), (160, 2117308), (320, 1058654), (640, 529327)]