129236000

素因数分解:

$2^5\times 5^3\times {\mathrm{32309}}^1$

素因数の和:32334

約数の個数: 48

約数和(自身を含む): 317542680

約数和(自身を除く): 188306680

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, 32309, 64618, 129236, 161545, 258472, 323090, 516944, 646180, 807725, 1033888, 1292360, 1615450, 2584720, 3230900, 4038625, 5169440, 6461800, 8077250, 12923600, 16154500, 25847200, 32309000, 64618000, 129236000]

約数ペア:

[(1, 129236000), (2, 64618000), (4, 32309000), (5, 25847200), (8, 16154500), (10, 12923600), (16, 8077250), (20, 6461800), (25, 5169440), (32, 4038625), (40, 3230900), (50, 2584720), (80, 1615450), (100, 1292360), (125, 1033888), (160, 807725), (200, 646180), (250, 516944), (400, 323090), (500, 258472), (800, 161545), (1000, 129236), (2000, 64618), (4000, 32309)]