66916000

素因数分解:

$2^5\times 5^3\times {\mathrm{16729}}^1$

素因数の和:16754

約数の個数: 48

約数和(自身を含む): 164422440

約数和(自身を除く): 97506440

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, 16729, 33458, 66916, 83645, 133832, 167290, 267664, 334580, 418225, 535328, 669160, 836450, 1338320, 1672900, 2091125, 2676640, 3345800, 4182250, 6691600, 8364500, 13383200, 16729000, 33458000, 66916000]

約数ペア:

[(1, 66916000), (2, 33458000), (4, 16729000), (5, 13383200), (8, 8364500), (10, 6691600), (16, 4182250), (20, 3345800), (25, 2676640), (32, 2091125), (40, 1672900), (50, 1338320), (80, 836450), (100, 669160), (125, 535328), (160, 418225), (200, 334580), (250, 267664), (400, 167290), (500, 133832), (800, 83645), (1000, 66916), (2000, 33458), (4000, 16729)]