100390000

素因数分解:

$2^4\times 5^4\times {\mathrm{10039}}^1$

素因数の和:10067

約数の個数: 50

約数和(自身を含む): 243078440

約数和(自身を除く): 142688440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 10039, 20078, 40156, 50195, 80312, 100390, 160624, 200780, 250975, 401560, 501950, 803120, 1003900, 1254875, 2007800, 2509750, 4015600, 5019500, 6274375, 10039000, 12548750, 20078000, 25097500, 50195000, 100390000]

約数ペア:

[(1, 100390000), (2, 50195000), (4, 25097500), (5, 20078000), (8, 12548750), (10, 10039000), (16, 6274375), (20, 5019500), (25, 4015600), (40, 2509750), (50, 2007800), (80, 1254875), (100, 1003900), (125, 803120), (200, 501950), (250, 401560), (400, 250975), (500, 200780), (625, 160624), (1000, 100390), (1250, 80312), (2000, 50195), (2500, 40156), (5000, 20078), (10000, 10039)]