6691918.00000000

素因数分解:

$2^5\times 5^3\times {\mathrm{21001}}^1$

素因数の和:21026

約数の個数: 48

約数和(自身を含む): 206407656

約数和(自身を除く): 122403656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 21001, 42002, 84004, 105005, 168008, 210010, 336016, 420020, 525025, 672032, 840040, 1050050, 1680080, 2100100, 2625125, 3360160, 4200200, 5250250, 8400400, 10500500, 16800800, 21001000, 42002000, 84004000]

約数ペア:

[(1, 84004000), (2, 42002000), (4, 21001000), (5, 16800800), (8, 10500500), (10, 8400400), (16, 5250250), (20, 4200200), (25, 3360160), (32, 2625125), (40, 2100100), (50, 1680080), (80, 1050050), (100, 840040), (125, 672032), (160, 525025), (200, 420020), (250, 336016), (400, 210010), (500, 168008), (800, 105005), (1000, 84004), (2000, 42002), (4000, 21001)]