203291840

素因数分解:

$2^6\times 5^1\times {\mathrm{635287}}^1$

素因数の和:635304

約数の個数: 28

約数和(自身を含む): 484089456

約数和(自身を除く): 280797616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 635287, 1270574, 2541148, 3176435, 5082296, 6352870, 10164592, 12705740, 20329184, 25411480, 40658368, 50822960, 101645920, 203291840]

約数ペア:

[(1, 203291840), (2, 101645920), (4, 50822960), (5, 40658368), (8, 25411480), (10, 20329184), (16, 12705740), (20, 10164592), (32, 6352870), (40, 5082296), (64, 3176435), (80, 2541148), (160, 1270574), (320, 635287)]