84076400

素因数分解:

$2^4\times 5^2\times {\mathrm{210191}}^1$

素因数の和:210209

約数の個数: 30

約数和(自身を含む): 201994512

約数和(自身を除く): 117918112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 210191, 420382, 840764, 1050955, 1681528, 2101910, 3363056, 4203820, 5254775, 8407640, 10509550, 16815280, 21019100, 42038200, 84076400]

約数ペア:

[(1, 84076400), (2, 42038200), (4, 21019100), (5, 16815280), (8, 10509550), (10, 8407640), (16, 5254775), (20, 4203820), (25, 3363056), (40, 2101910), (50, 1681528), (80, 1050955), (100, 840764), (200, 420382), (400, 210191)]