28097500

素因数分解:

$2^2\times 5^4\times {\mathrm{11239}}^1$

素因数の和:11263

約数の個数: 30

約数和(自身を含む): 61449080

約数和(自身を除く): 33351580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 11239, 22478, 44956, 56195, 112390, 224780, 280975, 561950, 1123900, 1404875, 2809750, 5619500, 7024375, 14048750, 28097500]

約数ペア:

[(1, 28097500), (2, 14048750), (4, 7024375), (5, 5619500), (10, 2809750), (20, 1404875), (25, 1123900), (50, 561950), (100, 280975), (125, 224780), (250, 112390), (500, 56195), (625, 44956), (1250, 22478), (2500, 11239)]