8402000

素因数分解:

$2^4\times 5^3\times {\mathrm{4201}}^1$

素因数の和:4224

約数の個数: 40

約数和(自身を含む): 20320872

約数和(自身を除く): 11918872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4201, 8402, 16804, 21005, 33608, 42010, 67216, 84020, 105025, 168040, 210050, 336080, 420100, 525125, 840200, 1050250, 1680400, 2100500, 4201000, 8402000]

約数ペア:

[(1, 8402000), (2, 4201000), (4, 2100500), (5, 1680400), (8, 1050250), (10, 840200), (16, 525125), (20, 420100), (25, 336080), (40, 210050), (50, 168040), (80, 105025), (100, 84020), (125, 67216), (200, 42010), (250, 33608), (400, 21005), (500, 16804), (1000, 8402), (2000, 4201)]