12830000

素因数分解:

$2^4\times 5^4\times {\mathrm{1283}}^1$

素因数の和:1311

約数の個数: 50

約数和(自身を含む): 31086924

約数和(自身を除く): 18256924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1283, 2000, 2500, 2566, 5000, 5132, 6415, 10000, 10264, 12830, 20528, 25660, 32075, 51320, 64150, 102640, 128300, 160375, 256600, 320750, 513200, 641500, 801875, 1283000, 1603750, 2566000, 3207500, 6415000, 12830000]

約数ペア:

[(1, 12830000), (2, 6415000), (4, 3207500), (5, 2566000), (8, 1603750), (10, 1283000), (16, 801875), (20, 641500), (25, 513200), (40, 320750), (50, 256600), (80, 160375), (100, 128300), (125, 102640), (200, 64150), (250, 51320), (400, 32075), (500, 25660), (625, 20528), (1000, 12830), (1250, 10264), (1283, 10000), (2000, 6415), (2500, 5132), (2566, 5000)]