203413520

素因数分解:

$2^4\times 5^1\times {\mathrm{2542669}}^1$

素因数の和:2542682

約数の個数: 20

約数和(自身を含む): 472936620

約数和(自身を除く): 269523100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542669, 5085338, 10170676, 12713345, 20341352, 25426690, 40682704, 50853380, 101706760, 203413520]

約数ペア:

[(1, 203413520), (2, 101706760), (4, 50853380), (5, 40682704), (8, 25426690), (10, 20341352), (16, 12713345), (20, 10170676), (40, 5085338), (80, 2542669)]