16241000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 38610000

約数和(自身を除く): 22369000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 149, 200, 218, 250, 298, 436, 500, 545, 596, 745, 872, 1000, 1090, 1192, 1490, 2180, 2725, 2980, 3725, 4360, 5450, 5960, 7450, 10900, 13625, 14900, 16241, 18625, 21800, 27250, 29800, 32482, 37250, 54500, 64964, 74500, 81205, 109000, 129928, 149000, 162410, 324820, 406025, 649640, 812050, 1624100, 2030125, 3248200, 4060250, 8120500, 16241000]

約数ペア:

[(1, 16241000), (2, 8120500), (4, 4060250), (5, 3248200), (8, 2030125), (10, 1624100), (20, 812050), (25, 649640), (40, 406025), (50, 324820), (100, 162410), (109, 149000), (125, 129928), (149, 109000), (200, 81205), (218, 74500), (250, 64964), (298, 54500), (436, 37250), (500, 32482), (545, 29800), (596, 27250), (745, 21800), (872, 18625), (1000, 16241), (1090, 14900), (1192, 13625), (1490, 10900), (2180, 7450), (2725, 5960), (2980, 5450), (3725, 4360)]