513200

素因数分解:

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

素因数の和:1301

約数の個数: 30

約数和(自身を含む): 1233924

約数和(自身を除く): 720724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1283, 2566, 5132, 6415, 10264, 12830, 20528, 25660, 32075, 51320, 64150, 102640, 128300, 256600, 513200]

約数ペア:

[(1, 513200), (2, 256600), (4, 128300), (5, 102640), (8, 64150), (10, 51320), (16, 32075), (20, 25660), (25, 20528), (40, 12830), (50, 10264), (80, 6415), (100, 5132), (200, 2566), (400, 1283)]