20086400

素因数分解:

$2^7\times 5^2\times {\mathrm{6277}}^1$

素因数の和:6301

約数の個数: 48

約数和(自身を含む): 49627590

約数和(自身を除く): 29541190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6277, 12554, 25108, 31385, 50216, 62770, 100432, 125540, 156925, 200864, 251080, 313850, 401728, 502160, 627700, 803456, 1004320, 1255400, 2008640, 2510800, 4017280, 5021600, 10043200, 20086400]

約数ペア:

[(1, 20086400), (2, 10043200), (4, 5021600), (5, 4017280), (8, 2510800), (10, 2008640), (16, 1255400), (20, 1004320), (25, 803456), (32, 627700), (40, 502160), (50, 401728), (64, 313850), (80, 251080), (100, 200864), (128, 156925), (160, 125540), (200, 100432), (320, 62770), (400, 50216), (640, 31385), (800, 25108), (1600, 12554), (3200, 6277)]