82488400

素因数分解:

$2^4\times 5^2\times {\mathrm{206221}}^1$

素因数の和:206239

約数の個数: 30

約数和(自身を含む): 198179342

約数和(自身を除く): 115690942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 206221, 412442, 824884, 1031105, 1649768, 2062210, 3299536, 4124420, 5155525, 8248840, 10311050, 16497680, 20622100, 41244200, 82488400]

約数ペア:

[(1, 82488400), (2, 41244200), (4, 20622100), (5, 16497680), (8, 10311050), (10, 8248840), (16, 5155525), (20, 4124420), (25, 3299536), (40, 2062210), (50, 1649768), (80, 1031105), (100, 824884), (200, 412442), (400, 206221)]